#211F33
Closest named color: Dark (#1B2431). oklch(25.1% 0.037 288), rgb(33, 31, 51).
Aa
White text reads best on this color (16.04:1).
About this color
#211F33 is a dark, muted purple. In OKLCH its lightness is 25%, its chroma 0.037 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.021 away. White text reads best on it, at 16.04:1.
| Hue family | Purples |
| Lightness | dark (25%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.30:1 |
| White text | 16.04:1 |
Values
| HEX | #211F33 |
| RGB | rgb(33, 31, 51) |
| HSL | hsl(246, 24%, 16%) |
| OKLCH | oklch(25.1% 0.037 288) |
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 #211F33 | 16.04:1 | AAA | Lc -105.5 | Preferred for body text |
| Black text on #211F33 | 1.30:1 | Fails | Lc 0.0 | Not readable |
| #211F33 text on white | 16.04:1 | AAA | Lc 103.0 | Preferred for body text |
| #211F33 text on black | 1.30:1 | 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
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E9E9F2
oklch(93.7% 0.012 286.2)
-
Step 200
200
#D8D7E9
oklch(88.5% 0.025 288.4)
-
Step 300
300
#BEBDDC
oklch(80.9% 0.043 286.9)
-
Step 400
400
#9E9ACB
oklch(70.7% 0.071 288.2)
-
Step 500
500
#8781BD
oklch(63.2% 0.089 288.1)
-
Step 600
600
#7169AA
oklch(55.6% 0.099 288.4)
-
Step 700
700
#5E5792
oklch(49% 0.093 287.9)
-
Step 800
800
#4D4876
oklch(42.7% 0.075 287.8)
-
Step 900
900
#403C5F
oklch(37.6% 0.059 288.4)
-
Step 950
950 (this color)
#211F33
oklch(25.1% 0.037 288)
#211F33 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) | #192234 | 0.016 |
| Deuteranopia (no green cones) | #192132 | 0.015 |
| Tritanopia (no blue cones) | #1D2326 | 0.033 |
| Achromatopsia (no color) | #212121 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #211F33
#211F33
oklch(25.1% 0.037 288)
- #24230D
#24230D
oklch(25.1% 0.037 106.4)
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 #211F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.021
- Oxford Blue #1B263B ΔE 0.025
- Jet #212529 ΔE 0.033
- Rich Black #0D1B2A ΔE 0.041
- Space Cadet #2B2D42 ΔE 0.054
- Gunmetal #293241 ΔE 0.066
- Eggplant #380835 ΔE 0.072
- Dark Purple #35063E ΔE 0.076
Use #211F33 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.