#201B33
Closest named color: Dark (#1B2431). oklch(24.1% 0.045 292.2), rgb(32, 27, 51).
Aa
White text reads best on this color (16.58:1).
About this color
#201B33 is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.045 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.032 away. White text reads best on it, at 16.58:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Dark (#1B2431) |
| Black text | 1.26:1 |
| White text | 16.58:1 |
Values
| HEX | #201B33 |
| RGB | rgb(32, 27, 51) |
| HSL | hsl(252, 31%, 15%) |
| OKLCH | oklch(24.1% 0.045 292.2) |
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 #201B33 | 16.58:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #201B33 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #201B33 text on white | 16.58:1 | AAA | Lc 103.5 | Preferred for body text |
| #201B33 text on black | 1.26:1 | 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
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#D9D6EC
oklch(88.5% 0.03 292)
-
Step 300
300
#C1BBE1
oklch(80.9% 0.053 292.4)
-
Step 400
400
#A197D2
oklch(70.7% 0.086 291.8)
-
Step 500
500
#8B7CC6
oklch(63% 0.11 292.2)
-
Step 600
600
#7664B3
oklch(55.6% 0.12 292.5)
-
Step 700
700
#63539A
oklch(49.1% 0.111 292.2)
-
Step 800
800
#51447D
oklch(42.7% 0.093 292.5)
-
Step 900
900
#433A64
oklch(37.8% 0.071 292.5)
-
Step 950
950 (this color)
#201B33
oklch(24.1% 0.045 292.2)
#201B33 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) | #141F34 | 0.023 |
| Deuteranopia (no green cones) | #141E32 | 0.022 |
| Tritanopia (no blue cones) | #1C1F24 | 0.037 |
| Achromatopsia (no color) | #1E1E1E | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #201B33
#201B33
oklch(24.1% 0.045 292.2)
- #202105
#202105
oklch(24% 0.045 111.3)
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 #201B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.032
- Oxford Blue #1B263B ΔE 0.036
- Rich Black #0D1B2A ΔE 0.038
- Jet #212529 ΔE 0.045
- Space Cadet #2B2D42 ΔE 0.065
- Eggplant #380835 ΔE 0.066
- Dark Purple #35063E ΔE 0.069
- Midnight Purple #280137 ΔE 0.069
Use #201B33 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.