#232138
Closest named color: Oxford Blue (#1B263B). oklch(26.2% 0.043 287), rgb(35, 33, 56).
Aa
White text reads best on this color (15.60:1).
About this color
#232138 is a dark, muted purple. In OKLCH its lightness is 26%, its chroma 0.043 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 15.60:1.
| Hue family | Purples |
| Lightness | dark (26%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.34:1 |
| White text | 15.60:1 |
Values
| HEX | #232138 |
| RGB | rgb(35, 33, 56) |
| HSL | hsl(245, 26%, 17%) |
| OKLCH | oklch(26.2% 0.043 287) |
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 #232138 | 15.60:1 | AAA | Lc -105.2 | Preferred for body text |
| Black text on #232138 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #232138 text on white | 15.60:1 | AAA | Lc 102.5 | Preferred for body text |
| #232138 text on black | 1.34:1 | 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
#E9E9F3
oklch(93.7% 0.013 286.1)
-
Step 200
200
#D7D7EB
oklch(88.5% 0.027 285.8)
-
Step 300
300
#BEBCE0
oklch(80.9% 0.05 287.8)
-
Step 400
400
#9D99D1
oklch(70.7% 0.081 287.4)
-
Step 500
500
#857FC5
oklch(63% 0.104 286.9)
-
Step 600
600
#7068B1
oklch(55.7% 0.111 287.2)
-
Step 700
700
#5D5698
oklch(49% 0.104 286.8)
-
Step 800
800
#4C477C
oklch(42.8% 0.086 286.5)
-
Step 900
900
#3F3C63
oklch(37.7% 0.066 286.3)
-
Step 950
950 (this color)
#232138
oklch(26.2% 0.043 287)
#232138 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) | #1A2439 | 0.017 |
| Deuteranopia (no green cones) | #1A2337 | 0.016 |
| Tritanopia (no blue cones) | #1E2529 | 0.037 |
| Achromatopsia (no color) | #242424 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #232138
#232138
oklch(26.2% 0.043 287)
- #27260B
#27260B
oklch(26.3% 0.043 107.1)
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 #232138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Dark #1B2431 ΔE 0.023
- Jet #212529 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.050
- Gunmetal #293241 ΔE 0.058
- Eggplant #380835 ΔE 0.072
- Dark Purple #35063E ΔE 0.075
Use #232138 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.