#2D3047
Closest named color: Space Cadet (#2B2D42). oklch(31.7% 0.041 278), rgb(45, 48, 71).
Aa
White text reads best on this color (12.92:1).
About this color
#2D3047 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.041 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.013 away. White text reads best on it, at 12.92:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.62:1 |
| White text | 12.92:1 |
Values
| HEX | #2D3047 |
| RGB | rgb(45, 48, 71) |
| HSL | hsl(233, 22%, 23%) |
| OKLCH | oklch(31.7% 0.041 278) |
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 #2D3047 | 12.92:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #2D3047 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #2D3047 text on white | 12.92:1 | AAA | Lc 99.1 | Preferred for body text |
| #2D3047 text on black | 1.62:1 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B9BEE1
oklch(80.9% 0.05 278.8)
-
Step 400
400
#959CD1
oklch(70.7% 0.078 278.4)
-
Step 500
500
#7B83C5
oklch(63% 0.1 277.8)
-
Step 600
600
#656CB2
oklch(55.7% 0.108 277.9)
-
Step 700
700
#545A99
oklch(49.2% 0.1 277.9)
-
Step 800
800
#45497C
oklch(42.6% 0.084 278.8)
-
Step 900
900
#3A3E64
oklch(37.8% 0.065 278.2)
-
Step 950
950 (this color)
#2D3047
oklch(31.7% 0.041 278)
#2D3047 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) | #293248 | 0.008 |
| Deuteranopia (no green cones) | #273146 | 0.010 |
| Tritanopia (no blue cones) | #263438 | 0.036 |
| Achromatopsia (no color) | #313131 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D3047
#2D3047
oklch(31.7% 0.041 278)
- #383219
#383219
oklch(31.7% 0.041 96.2)
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 #2D3047, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.013
- Gunmetal #293241 ΔE 0.016
- Prussian Blue #1D3557 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.037
- Onyx #343A40 ΔE 0.042
- Midnight Green #073B4C ΔE 0.048
- Oxford Blue #1B263B ΔE 0.049
- Dark #1B2431 ΔE 0.062
Use #2D3047 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.