#2E436E
Closest named color: Twilight Blue (#0A437A). oklch(38.7% 0.078 263.5), rgb(46, 67, 110).
Aa
White text reads best on this color (9.79:1).
About this color
#2E436E is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.078 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.035 away. White text reads best on it, at 9.79:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.14:1 |
| White text | 9.79:1 |
Values
| HEX | #2E436E |
| RGB | rgb(46, 67, 110) |
| HSL | hsl(220, 41%, 31%) |
| OKLCH | oklch(38.7% 0.078 263.5) |
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 #2E436E | 9.79:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #2E436E | 2.14:1 | Fails | Lc 11.4 | Not readable |
| #2E436E text on white | 9.79:1 | AAA | Lc 92.6 | Preferred for body text |
| #2E436E text on black | 2.14:1 | Fails | Lc -9.9 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAEF
oklch(88.6% 0.032 261.7)
-
Step 300
300
#ADC1E7
oklch(80.9% 0.058 263.2)
-
Step 400
400
#82A0DC
oklch(70.7% 0.095 263.7)
-
Step 500
500
#6388D2
oklch(63.2% 0.12 263.2)
-
Step 600
600
#4A70BF
oklch(55.6% 0.13 263.4)
-
Step 700
700
#3C5DA5
oklch(49% 0.122 263.9)
-
Step 800
800
#314D86
oklch(42.8% 0.101 263.1)
-
Step 900
900 (this color)
#2E436E
oklch(38.7% 0.078 263.5)
-
Step 950
950
#1A263F
oklch(27.1% 0.05 263.9)
#2E436E 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) | #314770 | 0.013 |
| Deuteranopia (no green cones) | #2A416D | 0.009 |
| Tritanopia (no blue cones) | #074C53 | 0.069 |
| Achromatopsia (no color) | #444444 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E436E
#2E436E
oklch(38.7% 0.078 263.5)
- #584002
#584002
oklch(38.8% 0.078 84)
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 #2E436E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.038
- Light Navy #155084 ΔE 0.049
- Charcoal #264653 ΔE 0.052
- Cobalt #1E488F ΔE 0.056
- Marine Blue #01386A ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.057
- Prussian Blue #1D3557 ΔE 0.061
Use #2E436E 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.