#6751CC
Closest named color: Iris (#6258C4). oklch(52.5% 0.182 286.5), rgb(103, 81, 204).
Aa
White text reads best on this color (5.79:1).
About this color
#6751CC is a medium-dark, vivid purple. In OKLCH its lightness is 53%, its chroma 0.182 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.022 away. White text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.62:1 |
| White text | 5.79:1 |
Values
| HEX | #6751CC |
| RGB | rgb(103, 81, 204) |
| HSL | hsl(251, 55%, 56%) |
| OKLCH | oklch(52.5% 0.182 286.5) |
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 #6751CC | 5.79:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #6751CC | 3.62:1 | AA large text | Lc 25.5 | Dividers and decoration only |
| #6751CC text on white | 5.79:1 | AA | Lc 78.6 | Fine for body text |
| #6751CC text on black | 3.62:1 | AA large text | Lc -23.2 | Dividers and decoration only |
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 600.
-
Step 50
50
#F5F4FD
oklch(97% 0.012 291.3)
-
Step 100
100
#E8E8FA
oklch(93.6% 0.024 285.9)
-
Step 200
200
#D6D5F7
oklch(88.4% 0.047 286.8)
-
Step 300
300
#BCB9F4
oklch(80.9% 0.083 286.7)
-
Step 400
400
#9B93EE
oklch(70.7% 0.131 286.6)
-
Step 500
500
#8475E8
oklch(63% 0.168 286.5)
-
Step 600
600 (this color)
#6751CC
oklch(52.5% 0.182 286.5)
-
Step 700
700
#5E4ABA
oklch(49.2% 0.169 286.6)
-
Step 800
800
#4C3D96
oklch(42.6% 0.14 286.6)
-
Step 900
900
#3F3578
oklch(37.7% 0.11 286.7)
-
Step 950
950
#252046
oklch(27.1% 0.069 286.9)
#6751CC 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) | #0069D0 | 0.097 |
| Deuteranopia (no green cones) | #0062C9 | 0.094 |
| Tritanopia (no blue cones) | #436E87 | 0.152 |
| Achromatopsia (no color) | #656565 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6751CC
#6751CC
oklch(52.5% 0.182 286.5)
- #736E00
#736E00
oklch(52.6% 0.112 106.5)
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 #6751CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Slate Blue #6A5ACD ΔE 0.022
- Light Indigo #6D5ACF ΔE 0.024
- Dark Periwinkle #665FD1 ΔE 0.032
- Bluey Purple #6241C7 ΔE 0.036
- Warm Blue #4B57DB ΔE 0.047
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Blurple #5539CC ΔE 0.061
Use #6751CC 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.