#212C4E
Closest named color: Space Cadet (#2B2D42). oklch(30.1% 0.064 268.8), rgb(33, 44, 78).
Aa
White text reads best on this color (13.68:1).
About this color
#212C4E is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.064 and its hue 269°. 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 13.68:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.53:1 |
| White text | 13.68:1 |
Values
| HEX | #212C4E |
| RGB | rgb(33, 44, 78) |
| HSL | hsl(225, 41%, 22%) |
| OKLCH | oklch(30.1% 0.064 268.8) |
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 #212C4E | 13.68:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #212C4E | 1.53:1 | Fails | Lc 0.0 | Not readable |
| #212C4E text on white | 13.68:1 | AAA | Lc 100.1 | Preferred for body text |
| #212C4E text on black | 1.53:1 | 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
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F6
oklch(88.6% 0.042 269)
-
Step 300
300
#ACBFF2
oklch(80.8% 0.075 268.8)
-
Step 400
400
#829DEC
oklch(70.8% 0.12 268.9)
-
Step 500
500
#6382E6
oklch(63.1% 0.154 268.7)
-
Step 600
600
#4C69D4
oklch(55.6% 0.168 269)
-
Step 700
700
#3D57B8
oklch(49.1% 0.156 268.7)
-
Step 800
800
#324895
oklch(42.8% 0.129 268.5)
-
Step 900
900
#2C3D76
oklch(37.7% 0.099 268.8)
-
Step 950
950 (this color)
#212C4E
oklch(30.1% 0.064 268.8)
#212C4E 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) | #1E304F | 0.013 |
| Deuteranopia (no green cones) | #192C4D | 0.011 |
| Tritanopia (no blue cones) | #0C3339 | 0.056 |
| Achromatopsia (no color) | #2D2D2D | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #212C4E
#212C4E
oklch(30.1% 0.064 268.8)
- #3B2C00
#3B2C00
oklch(30.2% 0.062 88.4)
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 #212C4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.030
- Gunmetal #293241 ΔE 0.037
- Oxford Blue #1B263B ΔE 0.039
- Marine #042E60 ΔE 0.040
- Dark Blue Grey #1F3B4D ΔE 0.050
- Midnight Green #073B4C ΔE 0.053
- Dark #1B2431 ΔE 0.057
Use #212C4E 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.