#2E367C
Closest named color: Twilight Blue (#0A437A). oklch(36.8% 0.118 274.2), rgb(46, 54, 124).
Aa
White text reads best on this color (10.85:1).
About this color
#2E367C is a dark, moderately saturated blue. In OKLCH its lightness is 37%, its chroma 0.118 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.045 away. White text reads best on it, at 10.85:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #2E367C |
| RGB | rgb(46, 54, 124) |
| HSL | hsl(234, 46%, 33%) |
| OKLCH | oklch(36.8% 0.118 274.2) |
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 #2E367C | 10.85:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #2E367C | 1.93:1 | Fails | Lc 9.1 | Not readable |
| #2E367C text on white | 10.85:1 | AAA | Lc 94.8 | Preferred for body text |
| #2E367C text on black | 1.93:1 | Fails | Lc -7.8 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CFD7FA
oklch(88.4% 0.049 275.2)
-
Step 300
300
#AFBDFA
oklch(80.9% 0.088 274.3)
-
Step 400
400
#8698F8
oklch(70.7% 0.142 274.2)
-
Step 500
500
#6A7BF5
oklch(63.1% 0.181 274)
-
Step 600
600
#5560E3
oklch(55.5% 0.196 274.4)
-
Step 700
700
#464FC6
oklch(49.2% 0.183 274.2)
-
Step 800
800
#3941A0
oklch(42.7% 0.152 274.3)
-
Step 900
900 (this color)
#2E367C
oklch(36.8% 0.118 274.2)
-
Step 950
950
#1C224A
oklch(27% 0.074 274)
#2E367C 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) | #06417E | 0.041 |
| Deuteranopia (no green cones) | #003A7B | 0.039 |
| Tritanopia (no blue cones) | #004653 | 0.101 |
| Achromatopsia (no color) | #3D3D3D | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E367C
#2E367C
oklch(36.8% 0.118 274.2)
- #4C3E00
#4C3E00
oklch(36.8% 0.075 94.5)
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 #2E367C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.045
- Marine Blue #01386A ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.053
- Cobalt #1E488F ΔE 0.055
- Blueberry #464196 ΔE 0.065
- Prussian Blue #1D3557 ΔE 0.069
- Marine #042E60 ΔE 0.072
- Light Navy #155084 ΔE 0.073
Use #2E367C 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.