#212436
Closest named color: Oxford Blue (#1B263B). oklch(26.6% 0.034 276.6), rgb(33, 36, 54).
Aa
White text reads best on this color (15.32:1).
About this color
#212436 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.034 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.013 away. White text reads best on it, at 15.32:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.37:1 |
| White text | 15.32:1 |
Values
| HEX | #212436 |
| RGB | rgb(33, 36, 54) |
| HSL | hsl(231, 24%, 17%) |
| OKLCH | oklch(26.6% 0.034 276.6) |
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 #212436 | 15.32:1 | AAA | Lc -104.9 | Preferred for body text |
| Black text on #212436 | 1.37:1 | Fails | Lc 0.0 | Not readable |
| #212436 text on white | 15.32:1 | AAA | Lc 102.2 | Preferred for body text |
| #212436 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#B9BFDB
oklch(80.9% 0.04 275.9)
-
Step 400
400
#969EC9
oklch(70.8% 0.064 276.4)
-
Step 500
500
#7C85BB
oklch(63.1% 0.082 276.5)
-
Step 600
600
#666EA7
oklch(55.6% 0.089 277)
-
Step 700
700
#545C90
oklch(49.1% 0.084 276.2)
-
Step 800
800
#454B74
oklch(42.6% 0.068 276.7)
-
Step 900
900
#3A3F5E
oklch(37.7% 0.053 276.5)
-
Step 950
950 (this color)
#212436
oklch(26.6% 0.034 276.6)
#212436 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) | #1E2637 | 0.008 |
| Deuteranopia (no green cones) | #1D2436 | 0.007 |
| Tritanopia (no blue cones) | #1B272A | 0.030 |
| Achromatopsia (no color) | #252525 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212436
#212436
oklch(26.6% 0.034 276.6)
- #2A2512
#2A2512
oklch(26.5% 0.033 95.1)
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 #212436, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.013
- Dark #1B2431 ΔE 0.014
- Jet #212529 ΔE 0.026
- Space Cadet #2B2D42 ΔE 0.039
- Gunmetal #293241 ΔE 0.050
- Rich Black #0D1B2A ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.072
- Midnight Green #073B4C ΔE 0.078
Use #212436 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.