#231333
Closest named color: Midnight Purple (#280137). oklch(22.7% 0.062 305), rgb(35, 19, 51).
Aa
White text reads best on this color (17.32:1).
About this color
#231333 is a very dark, muted purple. In OKLCH its lightness is 23%, its chroma 0.062 and its hue 305°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Midnight Purple (#280137), ΔE 0.044 away. White text reads best on it, at 17.32:1.
| Hue family | Purples |
| Lightness | very dark (23%) |
| Chroma | muted (0.062) |
| Temperature | in between |
| Nearest name | Midnight Purple (#280137) |
| Black text | 1.21:1 |
| White text | 17.32:1 |
Values
| HEX | #231333 |
| RGB | rgb(35, 19, 51) |
| HSL | hsl(270, 46%, 14%) |
| OKLCH | oklch(22.7% 0.062 305) |
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 #231333 | 17.32:1 | AAA | Lc -106.4 | Preferred for body text |
| Black text on #231333 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #231333 text on white | 17.32:1 | AAA | Lc 104.1 | Preferred for body text |
| #231333 text on black | 1.21:1 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EDE7F6
oklch(93.7% 0.021 304)
-
Step 200
200
#DFD3EF
oklch(88.5% 0.04 304.9)
-
Step 300
300
#CBB5E7
oklch(80.8% 0.073 304.8)
-
Step 400
400
#B28DDB
oklch(70.7% 0.117 305.4)
-
Step 500
500
#9F6FD2
oklch(63.2% 0.151 304.9)
-
Step 600
600
#8A54BF
oklch(55.5% 0.165 304.9)
-
Step 700
700
#7544A4
oklch(49% 0.152 305)
-
Step 800
800
#5F3985
oklch(42.7% 0.125 304.7)
-
Step 900
900
#4E326B
oklch(37.8% 0.098 304.8)
-
Step 950
950 (this color)
#231333
oklch(22.7% 0.062 305)
#231333 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) | #091A34 | 0.047 |
| Deuteranopia (no green cones) | #0E1B32 | 0.043 |
| Tritanopia (no blue cones) | #201920 | 0.047 |
| Achromatopsia (no color) | #1A1A1A | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #231333
#231333
oklch(22.7% 0.062 305)
- #162000
#162000
oklch(22.5% 0.056 124.7)
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 #231333, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Purple #280137 ΔE 0.044
- Very Dark Purple #2A0134 ΔE 0.044
- Rich Black #0D1B2A ΔE 0.051
- Dark Purple #35063E ΔE 0.051
- Eggplant #380835 ΔE 0.051
- Dark #1B2431 ΔE 0.057
- Deep Purple #36013F ΔE 0.058
- Oxford Blue #1B263B ΔE 0.060
Use #231333 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.