#2D304F
Closest named color: Space Cadet (#2B2D42). oklch(32.2% 0.055 278.6), rgb(45, 48, 79).
Aa
White text reads best on this color (12.74:1).
About this color
#2D304F is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.055 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Space Cadet (#2B2D42), ΔE 0.024 away. White text reads best on it, at 12.74:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Space Cadet (#2B2D42) |
| Black text | 1.64:1 |
| White text | 12.74:1 |
Values
| HEX | #2D304F |
| RGB | rgb(45, 48, 79) |
| HSL | hsl(235, 27%, 24%) |
| OKLCH | oklch(32.2% 0.055 278.6) |
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 #2D304F | 12.74:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #2D304F | 1.64:1 | Fails | Lc 0.0 | Not readable |
| #2D304F text on white | 12.74:1 | AAA | Lc 98.8 | Preferred for body text |
| #2D304F text on black | 1.64:1 | 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
#B7BDEB
oklch(80.9% 0.065 279)
-
Step 400
400
#929AE1
oklch(70.8% 0.104 278.4)
-
Step 500
500
#787FD8
oklch(63% 0.133 278.4)
-
Step 600
600
#6267C6
oklch(55.6% 0.145 278.3)
-
Step 700
700
#5255AB
oklch(49.2% 0.135 278.7)
-
Step 800
800
#43468A
oklch(42.7% 0.111 278.7)
-
Step 900
900
#383B6F
oklch(37.7% 0.088 278.8)
-
Step 950
950 (this color)
#2D304F
oklch(32.2% 0.055 278.6)
#2D304F 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) | #263450 | 0.015 |
| Deuteranopia (no green cones) | #24314E | 0.014 |
| Tritanopia (no blue cones) | #23363B | 0.049 |
| Achromatopsia (no color) | #323232 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D304F
#2D304F
oklch(32.2% 0.055 278.6)
- #3A330E
#3A330E
oklch(32% 0.055 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 #2D304F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Space Cadet #2B2D42 ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.027
- Gunmetal #293241 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.040
- Onyx #343A40 ΔE 0.050
- Midnight Green #073B4C ΔE 0.051
- Marine #042E60 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.056
Use #2D304F 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.