#837DFA
Closest named color: Periwinkle (#8E82FE). oklch(65.5% 0.181 282.4), rgb(131, 125, 250).
Aa
Black text reads best on this color (6.27:1).
About this color
#837DFA is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.181 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle (#8E82FE), ΔE 0.022 away. Black text reads best on it, at 6.27:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Periwinkle (#8E82FE) |
| Black text | 6.27:1 |
| White text | 3.34:1 |
Values
| HEX | #837DFA |
| RGB | rgb(131, 125, 250) |
| HSL | hsl(243, 93%, 74%) |
| OKLCH | oklch(65.5% 0.181 282.4) |
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 #837DFA | 3.34:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #837DFA | 6.27:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #837DFA text on white | 3.34:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #837DFA text on black | 6.27:1 | AA | Lc -41.1 | 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
#D3D6FA
oklch(88.5% 0.05 281.6)
-
Step 300
300
#B7BAF9
oklch(80.9% 0.089 282.1)
-
Step 400
400
#9494F6
oklch(70.8% 0.141 282.2)
-
Step 500
500 (this color)
#837DFA
oklch(65.5% 0.181 282.4)
-
Step 600
600
#675AE0
oklch(55.5% 0.196 282.3)
-
Step 700
700
#5649C3
oklch(49.1% 0.183 282.1)
-
Step 800
800
#463D9D
oklch(42.7% 0.15 282.2)
-
Step 900
900
#3A357D
oklch(37.6% 0.118 282.2)
-
Step 950
950
#222049
oklch(27% 0.074 282.5)
#837DFA 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) | #4291FE | 0.079 |
| Deuteranopia (no green cones) | #3A88F7 | 0.079 |
| Tritanopia (no blue cones) | #5898B0 | 0.155 |
| Achromatopsia (no color) | #8C8C8C | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #837DFA
#837DFA
oklch(65.5% 0.181 282.4)
- #A19300
#A19300
oklch(65.5% 0.138 102.7)
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 #837DFA, closest first.
No curated palette has a color within ΔE 0.04 of #837DFA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle #8E82FE ΔE 0.022
- Lavender Blue #8B88F8 ΔE 0.031
- Cornflower #6A79F7 ΔE 0.037
- Medium Slate Blue #7B68EE ΔE 0.053
- Soft Blue #6488EA ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.055
- Medium Purple #9370DB ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.073
Use #837DFA 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.