#2B2D48
Closest named color: Space Cadet (#2B2D42). oklch(30.8% 0.048 279.9), rgb(43, 45, 72).
Aa
White text reads best on this color (13.36:1).
About this color
#2B2D48 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.048 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.011 away. White text reads best on it, at 13.36:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.57:1 |
| White text | 13.36:1 |
Values
| HEX | #2B2D48 |
| RGB | rgb(43, 45, 72) |
| HSL | hsl(236, 25%, 23%) |
| OKLCH | oklch(30.8% 0.048 279.9) |
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 #2B2D48 | 13.36:1 | AAA | Lc -102.9 | Preferred for body text |
| Black text on #2B2D48 | 1.57:1 | Fails | Lc 0.0 | Not readable |
| #2B2D48 text on white | 13.36:1 | AAA | Lc 99.7 | Preferred for body text |
| #2B2D48 text on black | 1.57:1 | 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
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D7EE
oklch(88.4% 0.032 279.8)
-
Step 300
300
#B9BDE6
oklch(80.9% 0.058 280.6)
-
Step 400
400
#959AD9
oklch(70.6% 0.092 280.3)
-
Step 500
500
#7C80CF
oklch(63% 0.118 280.2)
-
Step 600
600
#6669BC
oklch(55.7% 0.127 279.9)
-
Step 700
700
#5557A2
oklch(49.2% 0.118 280)
-
Step 800
800
#454783
oklch(42.6% 0.098 279.9)
-
Step 900
900
#3A3C69
oklch(37.7% 0.076 280.1)
-
Step 950
950 (this color)
#2B2D48
oklch(30.8% 0.048 279.9)
#2B2D48 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) | #243049 | 0.013 |
| Deuteranopia (no green cones) | #232E47 | 0.013 |
| Tritanopia (no blue cones) | #233237 | 0.042 |
| Achromatopsia (no color) | #2F2F2F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2B2D48
#2B2D48
oklch(30.8% 0.048 279.9)
- #363011
#363011
oklch(30.8% 0.048 98.5)
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 #2B2D48, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.011
- Gunmetal #293241 ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.035
- Oxford Blue #1B263B ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.045
- Onyx #343A40 ΔE 0.053
- Midnight Green #073B4C ΔE 0.054
- Dark #1B2431 ΔE 0.056
Use #2B2D48 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.