#28223E
Closest named color: Oxford Blue (#1B263B). oklch(27.3% 0.051 292.5), rgb(40, 34, 62).
Aa
White text reads best on this color (15.12:1).
About this color
#28223E is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.051 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.026 away. White text reads best on it, at 15.12:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.051) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.12:1 |
Values
| HEX | #28223E |
| RGB | rgb(40, 34, 62) |
| HSL | hsl(253, 29%, 19%) |
| OKLCH | oklch(27.3% 0.051 292.5) |
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 #28223E | 15.12:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #28223E | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #28223E text on white | 15.12:1 | AAA | Lc 102.0 | Preferred for body text |
| #28223E text on black | 1.38:1 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#D9D6EE
oklch(88.6% 0.033 291.5)
-
Step 300
300
#C1BAE5
oklch(80.9% 0.06 292.5)
-
Step 400
400
#A295D8
oklch(70.6% 0.097 292.6)
-
Step 500
500
#8C7ACE
oklch(63.1% 0.124 292.3)
-
Step 600
600
#7761BB
oklch(55.6% 0.136 292.7)
-
Step 700
700
#6450A1
oklch(49.1% 0.126 292.5)
-
Step 800
800
#524282
oklch(42.7% 0.104 293)
-
Step 900
900
#433868
oklch(37.6% 0.081 292.6)
-
Step 950
950 (this color)
#28223E
oklch(27.3% 0.051 292.5)
#28223E 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) | #1A263F | 0.025 |
| Deuteranopia (no green cones) | #1A263D | 0.026 |
| Tritanopia (no blue cones) | #23272D | 0.042 |
| Achromatopsia (no color) | #262626 | 0.051 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28223E
#28223E
oklch(27.3% 0.051 292.5)
- #282A08
#282A08
oklch(27.5% 0.052 112.6)
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 #28223E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.026
- Dark #1B2431 ΔE 0.036
- Space Cadet #2B2D42 ΔE 0.036
- Jet #212529 ΔE 0.046
- Gunmetal #293241 ΔE 0.052
- Rich Black #0D1B2A ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.067
- Eggplant #380835 ΔE 0.069
Use #28223E 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.