#212844
Closest named color: Oxford Blue (#1B263B). oklch(28.5% 0.052 272.1), rgb(33, 40, 68).
Aa
White text reads best on this color (14.46:1).
About this color
#212844 is a dark, muted blue. In OKLCH its lightness is 28%, its chroma 0.052 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.020 away. White text reads best on it, at 14.46:1.
| Hue family | Blues |
| Lightness | dark (28%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.45:1 |
| White text | 14.46:1 |
Values
| HEX | #212844 |
| RGB | rgb(33, 40, 68) |
| HSL | hsl(228, 35%, 20%) |
| OKLCH | oklch(28.5% 0.052 272.1) |
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 #212844 | 14.46:1 | AAA | Lc -104.1 | Preferred for body text |
| Black text on #212844 | 1.45:1 | Fails | Lc 0.0 | Not readable |
| #212844 text on white | 14.46:1 | AAA | Lc 101.2 | Preferred for body text |
| #212844 text on black | 1.45:1 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5E9F6
oklch(93.5% 0.018 272.3)
-
Step 200
200
#D1D8F1
oklch(88.5% 0.035 273.2)
-
Step 300
300
#B2BFEA
oklch(80.9% 0.063 271.8)
-
Step 400
400
#8B9DDF
oklch(70.8% 0.099 272)
-
Step 500
500
#6F83D6
oklch(63.1% 0.127 272.1)
-
Step 600
600
#586BC3
oklch(55.6% 0.138 272.1)
-
Step 700
700
#4859A9
oklch(49.1% 0.129 271.9)
-
Step 800
800
#3B4989
oklch(42.7% 0.107 271.9)
-
Step 900
900
#333E6D
oklch(37.8% 0.082 272)
-
Step 950
950 (this color)
#212844
oklch(28.5% 0.052 272.1)
#212844 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) | #1E2B45 | 0.010 |
| Deuteranopia (no green cones) | #1B2843 | 0.009 |
| Tritanopia (no blue cones) | #142E32 | 0.048 |
| Achromatopsia (no color) | #292929 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212844
#212844
oklch(28.5% 0.052 272.1)
- #332906
#332906
oklch(28.5% 0.052 92.6)
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 #212844, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.020
- Space Cadet #2B2D42 ΔE 0.026
- Dark #1B2431 ΔE 0.038
- Gunmetal #293241 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.048
- Jet #212529 ΔE 0.049
- Marine #042E60 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.061
Use #212844 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.