#22183A
Closest named color: Oxford Blue (#1B263B). oklch(24.1% 0.063 294.8), rgb(34, 24, 58).
Aa
White text reads best on this color (16.66:1).
About this color
#22183A is a very dark, muted purple. In OKLCH its lightness is 24%, its chroma 0.063 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.045 away. White text reads best on it, at 16.66:1.
| Hue family | Purples |
| Lightness | very dark (24%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.25:1 |
| White text | 16.66:1 |
Values
| HEX | #22183A |
| RGB | rgb(34, 24, 58) |
| HSL | hsl(258, 41%, 16%) |
| OKLCH | oklch(24.1% 0.063 294.8) |
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 #22183A | 16.66:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #22183A | 1.25:1 | Fails | Lc 0.0 | Not readable |
| #22183A text on white | 16.66:1 | AAA | Lc 103.5 | Preferred for body text |
| #22183A text on black | 1.25:1 | 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
#F6F4FC
oklch(97.1% 0.011 297.6)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD4F3
oklch(88.4% 0.043 294.4)
-
Step 300
300
#C3B8ED
oklch(81% 0.075 294.2)
-
Step 400
400
#A691E4
oklch(70.8% 0.121 294.8)
-
Step 500
500
#9173DB
oklch(63% 0.153 294.9)
-
Step 600
600
#7C59C9
oklch(55.5% 0.167 294.8)
-
Step 700
700
#6949AE
oklch(49.2% 0.155 294.7)
-
Step 800
800
#553C8D
oklch(42.7% 0.129 294.5)
-
Step 900
900
#463470
oklch(37.6% 0.1 295)
-
Step 950
950 (this color)
#22183A
oklch(24.1% 0.063 294.8)
#22183A 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) | #0B1E3B | 0.039 |
| Deuteranopia (no green cones) | #0D1D39 | 0.037 |
| Tritanopia (no blue cones) | #1C1F26 | 0.051 |
| Achromatopsia (no color) | #1E1E1E | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #22183A
#22183A
oklch(24.1% 0.063 294.8)
- #1F2200
#1F2200
oklch(24.1% 0.054 114.5)
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 #22183A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.045
- Dark #1B2431 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.050
- Dark Purple #35063E ΔE 0.055
- Midnight Purple #280137 ΔE 0.056
- Very Dark Purple #2A0134 ΔE 0.057
- Eggplant #380835 ΔE 0.058
- Dark Indigo #1F0954 ΔE 0.060
Use #22183A 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.