#7971EB
Closest named color: Medium Slate Blue (#7B68EE). oklch(61.6% 0.178 282.8), rgb(121, 113, 235).
Aa
Black text reads best on this color (5.37:1).
About this color
#7971EB is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.178 and its hue 283°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Slate Blue (#7B68EE), ΔE 0.022 away. Black text reads best on it, at 5.37:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Medium Slate Blue (#7B68EE) |
| Black text | 5.37:1 |
| White text | 3.90:1 |
Values
| HEX | #7971EB |
| RGB | rgb(121, 113, 235) |
| HSL | hsl(244, 75%, 68%) |
| OKLCH | oklch(61.6% 0.178 282.8) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #7971EB | 3.90:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #7971EB | 5.37:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #7971EB text on white | 3.90:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #7971EB text on black | 5.37:1 | AA | Lc -35.4 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D4D6F9
oklch(88.6% 0.048 282.8)
-
Step 300
300
#B8BAF8
oklch(80.9% 0.087 282.8)
-
Step 400
400
#9594F4
oklch(70.8% 0.139 282.7)
-
Step 500
500 (this color)
#7971EB
oklch(61.6% 0.178 282.8)
-
Step 600
600
#685BDF
oklch(55.7% 0.194 282.6)
-
Step 700
700
#5749C1
oklch(49% 0.18 282.8)
-
Step 800
800
#473D9C
oklch(42.7% 0.149 282.8)
-
Step 900
900
#3B357C
oklch(37.6% 0.116 283.1)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#7971EB with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3385EF | 0.081 |
| Deuteranopia (no green cones) | #2A7DE8 | 0.083 |
| Tritanopia (no blue cones) | #4F8CA3 | 0.153 |
| Achromatopsia (no color) | #818181 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7971EB
#7971EB
oklch(61.6% 0.178 282.8)
- #948700
#948700
oklch(61.6% 0.129 102.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #7971EB, closest first.
No curated palette has a color within ΔE 0.04 of #7971EB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Slate Blue #7B68EE ΔE 0.022
- Cornflower #6A79F7 ΔE 0.030
- Medium Purple #9370DB ΔE 0.046
- Periwinkle #8E82FE ΔE 0.059
- Soft Blue #6488EA ΔE 0.060
- Purpley #8756E4 ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.065
Use #7971EB in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.