#272A39
Closest named color: Space Cadet (#2B2D42). oklch(28.9% 0.028 275.7), rgb(39, 42, 57).
Aa
White text reads best on this color (14.22:1).
About this color
#272A39 is a dark close to neutral grey. In OKLCH its lightness is 29%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Space Cadet (#2B2D42), ΔE 0.019 away. White text reads best on it, at 14.22:1.
| Hue family | Neutrals |
| Lightness | dark (29%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.47:1 |
| White text | 14.22:1 |
Values
| HEX | #272A39 |
| RGB | rgb(39, 42, 57) |
| HSL | hsl(230, 19%, 19%) |
| OKLCH | oklch(28.9% 0.028 275.7) |
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 #272A39 | 14.22:1 | AAA | Lc -103.9 | Preferred for body text |
| Black text on #272A39 | 1.47:1 | Fails | Lc 0.0 | Not readable |
| #272A39 text on white | 14.22:1 | AAA | Lc 100.9 | Preferred for body text |
| #272A39 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D8E6
oklch(88.4% 0.019 276.3)
-
Step 300
300
#BABFD6
oklch(80.8% 0.033 275.9)
-
Step 400
400
#979EC2
oklch(70.6% 0.053 276.3)
-
Step 500
500
#7E86B3
oklch(63.1% 0.068 276.4)
-
Step 600
600
#67709E
oklch(55.6% 0.072 275.3)
-
Step 700
700
#565D87
oklch(49% 0.068 276.3)
-
Step 800
800
#464C6E
oklch(42.6% 0.057 276)
-
Step 900
900
#3B4059
oklch(37.8% 0.043 275.4)
-
Step 950
950 (this color)
#272A39
oklch(28.9% 0.028 275.7)
#272A39 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) | #262B3A | 0.004 |
| Deuteranopia (no green cones) | #242A39 | 0.005 |
| Tritanopia (no blue cones) | #222D2F | 0.026 |
| Achromatopsia (no color) | #2B2B2B | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #272A39
#272A39
oklch(28.9% 0.028 275.7)
- #2F2B1B
#2F2B1B
oklch(28.8% 0.028 95.8)
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 #272A39, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.019
- Oxford Blue #1B263B ΔE 0.026
- Gunmetal #293241 ΔE 0.028
- Dark #1B2431 ΔE 0.032
- Jet #212529 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.057
- Dark Blue Grey #1F3B4D ΔE 0.058
- Onyx #343A40 ΔE 0.059
Use #272A39 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.