#28213E
Closest named color: Oxford Blue (#1B263B). oklch(27.1% 0.053 293.6), rgb(40, 33, 62).
Aa
White text reads best on this color (15.24:1).
About this color
#28213E is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.053 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.028 away. White text reads best on it, at 15.24:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.053) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.24:1 |
Values
| HEX | #28213E |
| RGB | rgb(40, 33, 62) |
| HSL | hsl(254, 31%, 19%) |
| OKLCH | oklch(27.1% 0.053 293.6) |
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 #28213E | 15.24:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #28213E | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #28213E text on white | 15.24:1 | AAA | Lc 102.1 | Preferred for body text |
| #28213E text on black | 1.37:1 | 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
#DAD5EF
oklch(88.5% 0.036 294.5)
-
Step 300
300
#C2B9E6
oklch(80.8% 0.063 294.1)
-
Step 400
400
#A394DA
oklch(70.6% 0.102 293.5)
-
Step 500
500
#8E79CF
oklch(63.2% 0.128 293.7)
-
Step 600
600
#7960BC
oklch(55.6% 0.139 293.9)
-
Step 700
700
#664FA2
oklch(49.1% 0.129 293.9)
-
Step 800
800
#534184
oklch(42.8% 0.108 293.7)
-
Step 900
900
#44386A
oklch(37.8% 0.084 293)
-
Step 950
950 (this color)
#28213E
oklch(27.1% 0.053 293.6)
#28213E 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) | #18263F | 0.029 |
| Deuteranopia (no green cones) | #19253D | 0.027 |
| Tritanopia (no blue cones) | #23262C | 0.043 |
| Achromatopsia (no color) | #252525 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #28213E
#28213E
oklch(27.1% 0.053 293.6)
- #272906
#272906
oklch(27.1% 0.053 112.6)
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 #28213E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.037
- Space Cadet #2B2D42 ΔE 0.039
- Jet #212529 ΔE 0.048
- Gunmetal #293241 ΔE 0.055
- Rich Black #0D1B2A ΔE 0.064
- Eggplant #380835 ΔE 0.066
- Dark Purple #35063E ΔE 0.067
Use #28213E 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.