#212942
Closest named color: Oxford Blue (#1B263B). oklch(28.6% 0.047 269.7), rgb(33, 41, 66).
Aa
White text reads best on this color (14.37:1).
About this color
#212942 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.047 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Oxford Blue (#1B263B), ΔE 0.018 away. White text reads best on it, at 14.37:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Oxford Blue (#1B263B) |
| Black text | 1.46:1 |
| White text | 14.37:1 |
Values
| HEX | #212942 |
| RGB | rgb(33, 41, 66) |
| HSL | hsl(225, 33%, 19%) |
| OKLCH | oklch(28.6% 0.047 269.7) |
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 #212942 | 14.37:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #212942 | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #212942 text on white | 14.37:1 | AAA | Lc 101.1 | Preferred for body text |
| #212942 text on black | 1.46:1 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EF
oklch(88.6% 0.031 269.8)
-
Step 300
300
#B2C0E6
oklch(81% 0.056 269.2)
-
Step 400
400
#8A9ED9
oklch(70.6% 0.09 269.6)
-
Step 500
500
#6E85CF
oklch(63.1% 0.115 269.8)
-
Step 600
600
#576EBC
oklch(55.7% 0.124 269.7)
-
Step 700
700
#475BA2
oklch(49% 0.116 269.9)
-
Step 800
800
#3A4B83
oklch(42.7% 0.095 269.3)
-
Step 900
900
#323F69
oklch(37.7% 0.074 269.6)
-
Step 950
950 (this color)
#212942
oklch(28.6% 0.047 269.7)
#212942 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) | #202B43 | 0.006 |
| Deuteranopia (no green cones) | #1D2941 | 0.006 |
| Tritanopia (no blue cones) | #152E32 | 0.042 |
| Achromatopsia (no color) | #2A2A2A | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212942
#212942
oklch(28.6% 0.047 269.7)
- #34290B
#34290B
oklch(28.6% 0.048 88.7)
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 #212942, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Oxford Blue #1B263B ΔE 0.018
- Space Cadet #2B2D42 ΔE 0.022
- Gunmetal #293241 ΔE 0.035
- Dark #1B2431 ΔE 0.035
- Jet #212529 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.048
- Marine #042E60 ΔE 0.058
- Dark Blue Grey #1F3B4D ΔE 0.058
Use #212942 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.