#212949
Closest named color: Space Cadet (#2B2D42). oklch(29.1% 0.06 271.7), rgb(33, 41, 73).
Aa
White text reads best on this color (14.20:1).
About this color
#212949 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.060 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.027 away. White text reads best on it, at 14.20:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.20:1 |
Values
| HEX | #212949 |
| RGB | rgb(33, 41, 73) |
| HSL | hsl(228, 38%, 21%) |
| OKLCH | oklch(29.1% 0.06 271.7) |
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 #212949 | 14.20:1 | AAA | Lc -103.8 | Preferred for body text |
| Black text on #212949 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #212949 text on white | 14.20:1 | AAA | Lc 100.8 | Preferred for body text |
| #212949 text on black | 1.47:1 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F4
oklch(88.5% 0.04 272.9)
-
Step 300
300
#B0BFEF
oklch(81% 0.07 271.2)
-
Step 400
400
#879CE7
oklch(70.7% 0.113 271.4)
-
Step 500
500
#6B81E0
oklch(63% 0.145 271.8)
-
Step 600
600
#5469CE
oklch(55.6% 0.157 271.6)
-
Step 700
700
#4557B2
oklch(49.2% 0.145 271.7)
-
Step 800
800
#384790
oklch(42.6% 0.121 271.6)
-
Step 900
900
#303D73
oklch(37.8% 0.093 271.1)
-
Step 950
950 (this color)
#212949
oklch(29.1% 0.06 271.7)
#212949 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) | #1D2D4A | 0.013 |
| Deuteranopia (no green cones) | #192948 | 0.012 |
| Tritanopia (no blue cones) | #113035 | 0.054 |
| Achromatopsia (no color) | #2B2B2B | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212949
#212949
oklch(29.1% 0.06 271.7)
- #362A00
#362A00
oklch(29% 0.059 92)
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 #212949, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.027
- Oxford Blue #1B263B ΔE 0.029
- Gunmetal #293241 ΔE 0.040
- Prussian Blue #1D3557 ΔE 0.041
- Dark #1B2431 ΔE 0.047
- Marine #042E60 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.058
- Jet #212529 ΔE 0.058
Use #212949 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.