#231F35
Closest named color: Dark (#1B2431). oklch(25.5% 0.041 291.5), rgb(35, 31, 53).
Aa
White text reads best on this color (15.92:1).
About this color
#231F35 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.041 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.024 away. White text reads best on it, at 15.92:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.041) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.92:1 |
Values
| HEX | #231F35 |
| RGB | rgb(35, 31, 53) |
| HSL | hsl(251, 26%, 16%) |
| OKLCH | oklch(25.5% 0.041 291.5) |
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 #231F35 | 15.92:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #231F35 | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #231F35 text on white | 15.92:1 | AAA | Lc 102.9 | Preferred for body text |
| #231F35 text on black | 1.31:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F3
oklch(93.6% 0.015 294.5)
-
Step 200
200
#D9D6EA
oklch(88.4% 0.027 292.7)
-
Step 300
300
#C0BCDE
oklch(80.9% 0.048 290.7)
-
Step 400
400
#A198CE
oklch(70.7% 0.078 291.9)
-
Step 500
500
#8A7EC1
oklch(63.1% 0.1 291.5)
-
Step 600
600
#7567AD
oklch(55.7% 0.107 291.7)
-
Step 700
700
#625595
oklch(49.1% 0.101 291.6)
-
Step 800
800
#504679
oklch(42.8% 0.083 291.5)
-
Step 900
900
#423B61
oklch(37.7% 0.064 291.5)
-
Step 950
950 (this color)
#231F35
oklch(25.5% 0.041 291.5)
#231F35 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) | #192236 | 0.019 |
| Deuteranopia (no green cones) | #192234 | 0.019 |
| Tritanopia (no blue cones) | #1F2327 | 0.035 |
| Achromatopsia (no color) | #222222 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231F35
#231F35
oklch(25.5% 0.041 291.5)
- #23250C
#23250C
oklch(25.6% 0.041 113.1)
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 #231F35, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.024
- Oxford Blue #1B263B ΔE 0.025
- Jet #212529 ΔE 0.036
- Rich Black #0D1B2A ΔE 0.046
- Space Cadet #2B2D42 ΔE 0.051
- Gunmetal #293241 ΔE 0.064
- Eggplant #380835 ΔE 0.069
- Dark Purple #35063E ΔE 0.072
Use #231F35 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.