#212341
Closest named color: Oxford Blue (#1B263B). oklch(27% 0.055 279.1), rgb(33, 35, 65).
Aa
White text reads best on this color (15.20:1).
About this color
#212341 is a dark, muted blue. In OKLCH its lightness is 27%, its chroma 0.055 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.019 away. White text reads best on it, at 15.20:1.
| Hue family | Blues |
| Lightness | dark (27%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.38:1 |
| White text | 15.20:1 |
Values
| HEX | #212341 |
| RGB | rgb(33, 35, 65) |
| HSL | hsl(236, 33%, 19%) |
| OKLCH | oklch(27% 0.055 279.1) |
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 #212341 | 15.20:1 | AAA | Lc -104.8 | Preferred for body text |
| Black text on #212341 | 1.38:1 | Fails | Lc 0.0 | Not readable |
| #212341 text on white | 15.20:1 | AAA | Lc 102.0 | Preferred for body text |
| #212341 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B7BDEB
oklch(80.9% 0.065 279)
-
Step 400
400
#9399E1
oklch(70.6% 0.105 279.7)
-
Step 500
500
#797FD9
oklch(63.2% 0.134 278.9)
-
Step 600
600
#6366C6
oklch(55.5% 0.146 279.2)
-
Step 700
700
#5254AB
oklch(49% 0.136 279.1)
-
Step 800
800
#43468B
oklch(42.8% 0.112 278.7)
-
Step 900
900
#383B6F
oklch(37.7% 0.088 278.8)
-
Step 950
950 (this color)
#212341
oklch(27% 0.055 279.1)
#212341 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) | #182742 | 0.017 |
| Deuteranopia (no green cones) | #162540 | 0.017 |
| Tritanopia (no blue cones) | #17292E | 0.049 |
| Achromatopsia (no color) | #262626 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212341
#212341
oklch(27% 0.055 279.1)
- #2D2701
#2D2701
oklch(27.1% 0.055 100.2)
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 #212341, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.019
- Dark #1B2431 ΔE 0.034
- Space Cadet #2B2D42 ΔE 0.039
- Jet #212529 ΔE 0.048
- Gunmetal #293241 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.063
- Marine #042E60 ΔE 0.064
Use #212341 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.