#2E316F
Closest named color: Marine Blue (#01386A). oklch(34.7% 0.105 277.3), rgb(46, 49, 111).
Aa
White text reads best on this color (11.76:1).
About this color
#2E316F is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.105 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.046 away. White text reads best on it, at 11.76:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.105) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.78:1 |
| White text | 11.76:1 |
Values
| HEX | #2E316F |
| RGB | rgb(46, 49, 111) |
| HSL | hsl(237, 41%, 31%) |
| OKLCH | oklch(34.7% 0.105 277.3) |
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 #2E316F | 11.76:1 | AAA | Lc -100.4 | Preferred for body text |
| Black text on #2E316F | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #2E316F text on white | 11.76:1 | AAA | Lc 96.8 | Preferred for body text |
| #2E316F text on black | 1.78:1 | 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
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B3BCF4
oklch(80.8% 0.08 277.4)
-
Step 400
400
#8D98EE
oklch(70.6% 0.126 277.1)
-
Step 500
500
#737CE9
oklch(63.1% 0.162 277.1)
-
Step 600
600
#5E62D7
oklch(55.6% 0.176 277.5)
-
Step 700
700
#4E51BA
oklch(49.2% 0.162 277.4)
-
Step 800
800
#3F4397
oklch(42.8% 0.135 277)
-
Step 900
900 (this color)
#2E316F
oklch(34.7% 0.105 277.3)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#2E316F 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) | #0D3B71 | 0.041 |
| Deuteranopia (no green cones) | #01356E | 0.043 |
| Tritanopia (no blue cones) | #0C3F4B | 0.091 |
| Achromatopsia (no color) | #383838 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E316F
#2E316F
oklch(34.7% 0.105 277.3)
- #443900
#443900
oklch(34.6% 0.071 97)
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 #2E316F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.046
- Prussian Blue #1D3557 ΔE 0.052
- Marine #042E60 ΔE 0.055
- Twilight Blue #0A437A ΔE 0.057
- Midnight Blue #191970 ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.076
- Cobalt #1E488F ΔE 0.078
Use #2E316F 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.