#231037
Closest named color: Midnight Purple (#280137). oklch(22.4% 0.074 303.4), rgb(35, 16, 55).
Aa
White text reads best on this color (17.48:1).
About this color
#231037 is a very dark, moderately saturated purple. In OKLCH its lightness is 22%, its chroma 0.074 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.035 away. White text reads best on it, at 17.48:1.
| Hue family | Purples |
| Lightness | very dark (22%) |
| Chroma | moderately saturated (0.074) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.20:1 |
| White text | 17.48:1 |
Values
| HEX | #231037 |
| RGB | rgb(35, 16, 55) |
| HSL | hsl(269, 55%, 14%) |
| OKLCH | oklch(22.4% 0.074 303.4) |
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 #231037 | 17.48:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #231037 | 1.20:1 | Fails | Lc 0.0 | Not readable |
| #231037 text on white | 17.48:1 | AAA | Lc 104.1 | Preferred for body text |
| #231037 text on black | 1.20:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F4
oklch(88.5% 0.048 302.8)
-
Step 300
300
#CCB3EF
oklch(80.8% 0.087 303.5)
-
Step 400
400
#B389E8
oklch(70.7% 0.141 303.4)
-
Step 500
500
#A168E0
oklch(63.1% 0.179 303.6)
-
Step 600
600
#8C4CCE
oklch(55.6% 0.194 303.3)
-
Step 700
700
#773CB2
oklch(49.1% 0.18 303.3)
-
Step 800
800
#613290
oklch(42.6% 0.15 303.6)
-
Step 900
900
#4F2E73
oklch(37.8% 0.116 303.4)
-
Step 950
950 (this color)
#231037
oklch(22.4% 0.074 303.4)
#231037 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) | #011938 | 0.059 |
| Deuteranopia (no green cones) | #061936 | 0.054 |
| Tritanopia (no blue cones) | #1F1821 | 0.055 |
| Achromatopsia (no color) | #1A1A1A | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231037
#231037
oklch(22.4% 0.074 303.4)
- #171F00
#171F00
oklch(22.3% 0.054 122.4)
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 #231037, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.035
- Very Dark Purple #2A0134 ΔE 0.037
- Dark Purple #35063E ΔE 0.046
- Eggplant #380835 ΔE 0.050
- Deep Purple #36013F ΔE 0.052
- Dark Indigo #1F0954 ΔE 0.058
- Rich Black #0D1B2A ΔE 0.059
- Aubergine #3D0734 ΔE 0.062
Use #231037 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.