#212947
Closest named color: Space Cadet (#2B2D42). oklch(28.9% 0.056 271.2), rgb(33, 41, 71).
Aa
White text reads best on this color (14.25:1).
About this color
#212947 is a dark, muted blue. In OKLCH its lightness is 29%, its chroma 0.056 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.025 away. White text reads best on it, at 14.25:1.
| Hue family | Blues |
| Lightness | dark (29%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.25:1 |
Values
| HEX | #212947 |
| RGB | rgb(33, 41, 71) |
| HSL | hsl(227, 37%, 20%) |
| OKLCH | oklch(28.9% 0.056 271.2) |
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 #212947 | 14.25:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #212947 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #212947 text on white | 14.25:1 | AAA | Lc 100.9 | Preferred for body text |
| #212947 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
#E5E9F7
oklch(93.5% 0.019 273.2)
-
Step 200
200
#D0D8F2
oklch(88.4% 0.037 272)
-
Step 300
300
#B1BFEC
oklch(80.9% 0.066 271.4)
-
Step 400
400
#889DE3
oklch(70.8% 0.106 270.8)
-
Step 500
500
#6C83DB
oklch(63.2% 0.135 271.1)
-
Step 600
600
#556AC9
oklch(55.6% 0.148 271.4)
-
Step 700
700
#4558AE
oklch(49.1% 0.138 271.1)
-
Step 800
800
#39488D
oklch(42.6% 0.115 271.5)
-
Step 900
900
#313D70
oklch(37.6% 0.088 271.6)
-
Step 950
950 (this color)
#212947
oklch(28.9% 0.056 271.2)
#212947 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) | #1E2C48 | 0.010 |
| Deuteranopia (no green cones) | #1A2946 | 0.010 |
| Tritanopia (no blue cones) | #122F34 | 0.050 |
| Achromatopsia (no color) | #2A2A2A | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212947
#212947
oklch(28.9% 0.056 271.2)
- #352A03
#352A03
oklch(28.9% 0.056 92.4)
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 #212947, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.025
- Oxford Blue #1B263B ΔE 0.025
- Gunmetal #293241 ΔE 0.038
- Prussian Blue #1D3557 ΔE 0.043
- Dark #1B2431 ΔE 0.043
- Marine #042E60 ΔE 0.051
- Jet #212529 ΔE 0.055
- Dark Blue Grey #1F3B4D ΔE 0.058
Use #212947 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.