#272B40
Closest named color: Space Cadet (#2B2D42). oklch(29.5% 0.039 275.5), rgb(39, 43, 64).
Aa
White text reads best on this color (13.94:1).
About this color
#272B40 is a dark, muted blue. In OKLCH its lightness is 30%, its chroma 0.039 and its hue 275°. 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 13.94:1.
| Hue family | Blues |
| Lightness | dark (30%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.50:1 |
| White text | 13.94:1 |
Values
| HEX | #272B40 |
| RGB | rgb(39, 43, 64) |
| HSL | hsl(230, 24%, 20%) |
| OKLCH | oklch(29.5% 0.039 275.5) |
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 #272B40 | 13.94:1 | AAA | Lc -103.6 | Preferred for body text |
| Black text on #272B40 | 1.50:1 | Fails | Lc 0.0 | Not readable |
| #272B40 text on white | 13.94:1 | AAA | Lc 100.6 | Preferred for body text |
| #272B40 text on black | 1.50:1 | 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
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400
#939DCF
oklch(70.6% 0.074 275.6)
-
Step 500
500
#7985C2
oklch(63.2% 0.093 274.9)
-
Step 600
600
#636DAF
oklch(55.6% 0.103 276)
-
Step 700
700
#525B96
oklch(49.1% 0.095 275.8)
-
Step 800
800
#434B7A
oklch(42.8% 0.079 275.2)
-
Step 900
900
#383F62
oklch(37.8% 0.061 274.5)
-
Step 950
950 (this color)
#272B40
oklch(29.5% 0.039 275.5)
#272B40 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) | #242D41 | 0.007 |
| Deuteranopia (no green cones) | #232B3F | 0.007 |
| Tritanopia (no blue cones) | #202F32 | 0.035 |
| Achromatopsia (no color) | #2C2C2C | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #272B40
#272B40
oklch(29.5% 0.039 275.5)
- #322C15
#322C15
oklch(29.3% 0.038 95.2)
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 #272B40, 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 0.024
- Oxford Blue #1B263B ΔE 0.028
- Dark #1B2431 ΔE 0.040
- Jet #212529 ΔE 0.045
- Prussian Blue #1D3557 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.052
- Midnight Green #073B4C ΔE 0.056
Use #272B40 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.