#2B2F4C
Closest named color: Space Cadet (#2B2D42). oklch(31.6% 0.052 277), rgb(43, 47, 76).
Aa
White text reads best on this color (13.01:1).
About this color
#2B2F4C is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.052 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.018 away. White text reads best on it, at 13.01:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.61:1 |
| White text | 13.01:1 |
Values
| HEX | #2B2F4C |
| RGB | rgb(43, 47, 76) |
| HSL | hsl(233, 28%, 23%) |
| OKLCH | oklch(31.6% 0.052 277) |
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 #2B2F4C | 13.01:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #2B2F4C | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #2B2F4C text on white | 13.01:1 | AAA | Lc 99.2 | Preferred for body text |
| #2B2F4C text on black | 1.61:1 | 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
#E6E9F6
oklch(93.6% 0.018 275.6)
-
Step 200
200
#D3D8F0
oklch(88.6% 0.033 276.3)
-
Step 300
300
#B6BEE9
oklch(81% 0.061 276.7)
-
Step 400
400
#919BDE
oklch(70.7% 0.099 277)
-
Step 500
500
#7781D5
oklch(63.2% 0.126 277)
-
Step 600
600
#6069C2
oklch(55.6% 0.137 276.6)
-
Step 700
700
#5057A7
oklch(49.1% 0.126 276.9)
-
Step 800
800
#414788
oklch(42.6% 0.107 276.9)
-
Step 900
900
#373C6D
oklch(37.7% 0.083 277.2)
-
Step 950
950 (this color)
#2B2F4C
oklch(31.6% 0.052 277)
#2B2F4C 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) | #25324D | 0.012 |
| Deuteranopia (no green cones) | #23304B | 0.013 |
| Tritanopia (no blue cones) | #21353A | 0.046 |
| Achromatopsia (no color) | #313131 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2F4C
#2B2F4C
oklch(31.6% 0.052 277)
- #39320F
#39320F
oklch(31.6% 0.052 98)
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 #2B2F4C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.018
- Gunmetal #293241 ΔE 0.025
- Prussian Blue #1D3557 ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.040
- Oxford Blue #1B263B ΔE 0.049
- Midnight Green #073B4C ΔE 0.050
- Onyx #343A40 ΔE 0.050
- Marine #042E60 ΔE 0.055
Use #2B2F4C 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.