#6D51BA
Closest named color: Iris (#6258C4). oklch(51.8% 0.159 292.2), rgb(109, 81, 186).
Aa
White text reads best on this color (5.93:1).
About this color
#6D51BA is a medium-dark, vivid purple. In OKLCH its lightness is 52%, its chroma 0.159 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.027 away. White text reads best on it, at 5.93:1.
| Hue family | Purples |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Iris (#6258C4) |
| Black text | 3.53:1 |
| White text | 5.93:1 |
Values
| HEX | #6D51BA |
| RGB | rgb(109, 81, 186) |
| HSL | hsl(256, 43%, 52%) |
| OKLCH | oklch(51.8% 0.159 292.2) |
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 #6D51BA | 5.93:1 | AA | Lc -84.6 | Fine for body text |
| Black text on #6D51BA | 3.53:1 | AA large text | Lc 24.7 | Dividers and decoration only |
| #6D51BA text on white | 5.93:1 | AA | Lc 79.4 | Fine for body text |
| #6D51BA text on black | 3.53:1 | AA large text | Lc -22.4 | 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 700.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#EAE7F8
oklch(93.5% 0.023 294.1)
-
Step 200
200
#D9D5F4
oklch(88.6% 0.042 291.4)
-
Step 300
300
#C1B8EF
oklch(80.9% 0.077 292.1)
-
Step 400
400
#A392E7
oklch(70.8% 0.123 292.1)
-
Step 500
500
#8D74DF
oklch(63.1% 0.157 292)
-
Step 600
600
#795ACD
oklch(55.7% 0.171 292.4)
-
Step 700
700 (this color)
#6D51BA
oklch(51.8% 0.159 292.2)
-
Step 800
800
#533D8F
oklch(42.8% 0.13 292.4)
-
Step 900
900
#443572
oklch(37.7% 0.101 292.2)
-
Step 950
950
#281F43
oklch(27% 0.065 293)
#6D51BA 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) | #1865BE | 0.099 |
| Deuteranopia (no green cones) | #2162B8 | 0.095 |
| Tritanopia (no blue cones) | #58687D | 0.130 |
| Achromatopsia (no color) | #646464 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6D51BA
#6D51BA
oklch(51.8% 0.159 292.2)
- #6A6E00
#6A6E00
oklch(51.7% 0.115 112.3)
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 #6D51BA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.027
- Slate Blue #6A5ACD ΔE 0.035
- Light Indigo #6D5ACF ΔE 0.037
- Dark Periwinkle #665FD1 ΔE 0.047
- Bluey Purple #6241C7 ΔE 0.047
- Deep Lavender #8D5EB7 ΔE 0.067
- Blue With A Hint Of Purple #533CC6 ΔE 0.070
- Warm Blue #4B57DB ΔE 0.071
Use #6D51BA 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.