#2B2E4D
Closest named color: Space Cadet (#2B2D42). oklch(31.4% 0.055 278.5), rgb(43, 46, 77).
Aa
White text reads best on this color (13.11:1).
About this color
#2B2E4D is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.055 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.020 away. White text reads best on it, at 13.11:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #2B2E4D |
| RGB | rgb(43, 46, 77) |
| HSL | hsl(235, 28%, 24%) |
| OKLCH | oklch(31.4% 0.055 278.5) |
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 #2B2E4D | 13.11:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #2B2E4D | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #2B2E4D text on white | 13.11:1 | AAA | Lc 99.4 | Preferred for body text |
| #2B2E4D 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEB
oklch(80.9% 0.065 278.1)
-
Step 400
400
#929AE1
oklch(70.8% 0.104 278.4)
-
Step 500
500
#787FD9
oklch(63.1% 0.134 278.4)
-
Step 600
600
#6267C6
oklch(55.6% 0.145 278.3)
-
Step 700
700
#5155AB
oklch(49.1% 0.135 278.2)
-
Step 800
800
#43468B
oklch(42.8% 0.112 278.7)
-
Step 900
900
#383B6F
oklch(37.7% 0.088 278.8)
-
Step 950
950 (this color)
#2B2E4D
oklch(31.4% 0.055 278.5)
#2B2E4D 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) | #24324E | 0.015 |
| Deuteranopia (no green cones) | #212F4C | 0.015 |
| Tritanopia (no blue cones) | #213439 | 0.049 |
| Achromatopsia (no color) | #303030 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2E4D
#2B2E4D
oklch(31.4% 0.055 278.5)
- #39310B
#39310B
oklch(31.3% 0.055 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 #2B2E4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.020
- Gunmetal #293241 ΔE 0.029
- Prussian Blue #1D3557 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.044
- Oxford Blue #1B263B ΔE 0.048
- Marine #042E60 ΔE 0.053
- Midnight Green #073B4C ΔE 0.053
- Onyx #343A40 ΔE 0.054
Use #2B2E4D 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.