#282437
Closest named color: Oxford Blue (#1B263B). oklch(27.4% 0.035 293.6), rgb(40, 36, 55).
Aa
White text reads best on this color (15.02:1).
About this color
#282437 is a dark, muted purple. In OKLCH its lightness is 27%, its chroma 0.035 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 0.022 away. White text reads best on it, at 15.02:1.
| Hue family | Purples |
| Lightness | dark (27%) |
| Chroma | muted (0.035) |
| Temperature | in between |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.39:1 |
| White text | 15.02:1 |
Values
| HEX | #282437 |
| RGB | rgb(40, 36, 55) |
| HSL | hsl(253, 21%, 18%) |
| OKLCH | oklch(27.4% 0.035 293.6) |
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 #282437 | 15.02:1 | AAA | Lc -104.7 | Preferred for body text |
| Black text on #282437 | 1.39:1 | Fails | Lc 0.0 | Not readable |
| #282437 text on white | 15.02:1 | AAA | Lc 101.9 | Preferred for body text |
| #282437 text on black | 1.39:1 | 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
#EAE8F1
oklch(93.5% 0.012 296.3)
-
Step 200
200
#D9D7E7
oklch(88.6% 0.022 291.7)
-
Step 300
300
#C1BCDA
oklch(80.9% 0.042 293.1)
-
Step 400
400
#A299C7
oklch(70.7% 0.067 293.6)
-
Step 500
500
#8C80B8
oklch(63.2% 0.084 293.7)
-
Step 600
600
#7668A4
oklch(55.5% 0.092 293.9)
-
Step 700
700
#63578D
oklch(49.2% 0.086 293.2)
-
Step 800
800
#514772
oklch(42.7% 0.071 293.9)
-
Step 900
900
#433C5C
oklch(37.7% 0.054 293.7)
-
Step 950
950 (this color)
#282437
oklch(27.4% 0.035 293.6)
#282437 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) | #1F2738 | 0.017 |
| Deuteranopia (no green cones) | #202636 | 0.015 |
| Tritanopia (no blue cones) | #25272B | 0.028 |
| Achromatopsia (no color) | #272727 | 0.035 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #282437
#282437
oklch(27.4% 0.035 293.6)
- #272915
#272915
oklch(27.3% 0.034 113.3)
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 #282437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.022
- Dark #1B2431 ΔE 0.026
- Jet #212529 ΔE 0.031
- Space Cadet #2B2D42 ΔE 0.033
- Gunmetal #293241 ΔE 0.046
- Rich Black #0D1B2A ΔE 0.061
- Prussian Blue #1D3557 ΔE 0.070
- Eggplant #380835 ΔE 0.076
Use #282437 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.