#2B2F47
Closest named color: Space Cadet (#2B2D42). oklch(31.3% 0.043 276.3), rgb(43, 47, 71).
Aa
White text reads best on this color (13.12:1).
About this color
#2B2F47 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.043 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.010 away. White text reads best on it, at 13.12:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.60:1 |
| White text | 13.12:1 |
Values
| HEX | #2B2F47 |
| RGB | rgb(43, 47, 71) |
| HSL | hsl(231, 25%, 22%) |
| OKLCH | oklch(31.3% 0.043 276.3) |
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 #2B2F47 | 13.12:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #2B2F47 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #2B2F47 text on white | 13.12:1 | AAA | Lc 99.4 | Preferred for body text |
| #2B2F47 text on black | 1.60:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8ED
oklch(88.6% 0.029 277.2)
-
Step 300
300
#B7BEE2
oklch(80.8% 0.051 276.5)
-
Step 400
400
#939CD4
oklch(70.6% 0.083 277)
-
Step 500
500
#7983C9
oklch(63.1% 0.106 276.7)
-
Step 600
600
#626CB5
oklch(55.6% 0.113 276.2)
-
Step 700
700
#515A9C
oklch(49.1% 0.106 275.9)
-
Step 800
800
#434A7F
oklch(42.9% 0.088 276.3)
-
Step 900
900
#383E66
oklch(37.8% 0.069 276.1)
-
Step 950
950 (this color)
#2B2F47
oklch(31.3% 0.043 276.3)
#2B2F47 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) | #273248 | 0.011 |
| Deuteranopia (no green cones) | #262F46 | 0.008 |
| Tritanopia (no blue cones) | #233438 | 0.039 |
| Achromatopsia (no color) | #303030 | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2F47
#2B2F47
oklch(31.3% 0.043 276.3)
- #373116
#373116
oklch(31.2% 0.043 97.1)
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 #2B2F47, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.010
- Gunmetal #293241 ΔE 0.017
- Prussian Blue #1D3557 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.039
- Oxford Blue #1B263B ΔE 0.045
- Onyx #343A40 ΔE 0.046
- Midnight Green #073B4C ΔE 0.049
- Dark #1B2431 ΔE 0.058
Use #2B2F47 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.