#2B273F
Closest named color: Space Cadet (#2B2D42). oklch(28.9% 0.043 291.1), rgb(43, 39, 63).
Aa
White text reads best on this color (14.33:1).
About this color
#2B273F is a dark, muted purple. In OKLCH its lightness is 29%, its chroma 0.043 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.019 away. White text reads best on it, at 14.33:1.
| Hue family | Purples |
| Lightness | dark (29%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.46:1 |
| White text | 14.33:1 |
Values
| HEX | #2B273F |
| RGB | rgb(43, 39, 63) |
| HSL | hsl(250, 24%, 20%) |
| OKLCH | oklch(28.9% 0.043 291.1) |
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 #2B273F | 14.33:1 | AAA | Lc -104.0 | Preferred for body text |
| Black text on #2B273F | 1.46:1 | Fails | Lc 0.0 | Not readable |
| #2B273F text on white | 14.33:1 | AAA | Lc 101.1 | Preferred for body text |
| #2B273F text on black | 1.46:1 | 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
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F3
oklch(93.5% 0.015 290.3)
-
Step 200
200
#D9D6EB
oklch(88.5% 0.029 292.4)
-
Step 300
300
#C0BBE0
oklch(80.8% 0.052 291.4)
-
Step 400
400
#A098D1
oklch(70.7% 0.083 290.6)
-
Step 500
500
#8A7DC4
oklch(63% 0.106 291.5)
-
Step 600
600
#7466B1
oklch(55.6% 0.114 290.8)
-
Step 700
700
#625498
oklch(49.1% 0.107 291.4)
-
Step 800
800
#50457B
oklch(42.7% 0.088 291.6)
-
Step 900
900
#423A63
oklch(37.6% 0.069 291.7)
-
Step 950
950 (this color)
#2B273F
oklch(28.9% 0.043 291.1)
#2B273F 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) | #212A40 | 0.018 |
| Deuteranopia (no green cones) | #212A3E | 0.019 |
| Tritanopia (no blue cones) | #272B30 | 0.036 |
| Achromatopsia (no color) | #2A2A2A | 0.044 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B273F
#2B273F
oklch(28.9% 0.043 291.1)
- #2C2D12
#2C2D12
oklch(28.9% 0.043 110.7)
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 #2B273F, 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 0.029
- Gunmetal #293241 ΔE 0.036
- Dark #1B2431 ΔE 0.040
- Jet #212529 ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.064
- Onyx #343A40 ΔE 0.066
Use #2B273F 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.