#2E2F74
Closest named color: Marine Blue (#01386A). oklch(34.7% 0.116 277.9), rgb(46, 47, 116).
Aa
White text reads best on this color (11.83:1).
About this color
#2E2F74 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.116 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.051 away. White text reads best on it, at 11.83:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #2E2F74 |
| RGB | rgb(46, 47, 116) |
| HSL | hsl(239, 43%, 32%) |
| OKLCH | oklch(34.7% 0.116 277.9) |
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 #2E2F74 | 11.83:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #2E2F74 | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #2E2F74 text on white | 11.83:1 | AAA | Lc 96.8 | Preferred for body text |
| #2E2F74 text on black | 1.77:1 | 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 900.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B3BCF9
oklch(81% 0.087 277.8)
-
Step 400
400
#8D96F6
oklch(70.7% 0.14 278.1)
-
Step 500
500
#7379F2
oklch(63.1% 0.178 277.9)
-
Step 600
600
#5E5EE0
oklch(55.5% 0.193 278.1)
-
Step 700
700
#4E4DC3
oklch(49.2% 0.179 277.9)
-
Step 800
800
#3F409E
oklch(42.7% 0.149 277.6)
-
Step 900
900 (this color)
#2E2F74
oklch(34.7% 0.116 277.9)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#2E2F74 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) | #003A76 | 0.047 |
| Deuteranopia (no green cones) | #003573 | 0.044 |
| Tritanopia (no blue cones) | #033F4C | 0.101 |
| Achromatopsia (no color) | #373737 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E2F74
#2E2F74
oklch(34.7% 0.116 277.9)
- #443A00
#443A00
oklch(34.8% 0.072 98.3)
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 #2E2F74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.051
- Marine #042E60 ΔE 0.059
- Twilight Blue #0A437A ΔE 0.060
- Prussian Blue #1D3557 ΔE 0.061
- Midnight Blue #191970 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.070
- Cobalt #1E488F ΔE 0.077
- Blueberry #464196 ΔE 0.084
Use #2E2F74 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.