#2E4470
Closest named color: Twilight Blue (#0A437A). oklch(39.1% 0.08 263.1), rgb(46, 68, 112).
Aa
White text reads best on this color (9.64:1).
About this color
#2E4470 is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.080 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight Blue (#0A437A), ΔE 0.034 away. White text reads best on it, at 9.64:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Twilight Blue (#0A437A) |
| Black text | 2.17:1 |
| White text | 9.64:1 |
Values
| HEX | #2E4470 |
| RGB | rgb(46, 68, 112) |
| HSL | hsl(220, 42%, 31%) |
| OKLCH | oklch(39.1% 0.08 263.1) |
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 #2E4470 | 9.64:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #2E4470 | 2.17:1 | Fails | Lc 11.7 | Not readable |
| #2E4470 text on white | 9.64:1 | AAA | Lc 92.2 | Preferred for body text |
| #2E4470 text on black | 2.17:1 | Fails | Lc -10.2 | 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
#F3F6FB
oklch(97.2% 0.007 260.7)
-
Step 100
100
#E4EAF6
oklch(93.6% 0.017 264.5)
-
Step 200
200
#CEDAF0
oklch(88.6% 0.033 262.7)
-
Step 300
300
#ACC1E8
oklch(80.8% 0.06 262.8)
-
Step 400
400
#81A0DD
oklch(70.6% 0.096 263.4)
-
Step 500
500
#6188D4
oklch(63.2% 0.123 262.7)
-
Step 600
600
#4970C1
oklch(55.6% 0.134 263.3)
-
Step 700
700
#3A5DA6
oklch(49% 0.124 263.3)
-
Step 800
800
#304D87
oklch(42.8% 0.103 262.8)
-
Step 900
900 (this color)
#2E4470
oklch(39.1% 0.08 263.1)
-
Step 950
950
#19263F
oklch(27% 0.05 262.6)
#2E4470 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) | #324872 | 0.014 |
| Deuteranopia (no green cones) | #2A426F | 0.008 |
| Tritanopia (no blue cones) | #034E54 | 0.073 |
| Achromatopsia (no color) | #454545 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4470
#2E4470
oklch(39.1% 0.08 263.1)
- #5A4001
#5A4001
oklch(39% 0.08 82.2)
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 #2E4470, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight Blue #0A437A ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.040
- Light Navy #155084 ΔE 0.045
- Cobalt #1E488F ΔE 0.052
- Deep Sea Blue #015482 ΔE 0.054
- Charcoal #264653 ΔE 0.054
- Marine Blue #01386A ΔE 0.058
- Dusk Blue #26538D ΔE 0.059
Use #2E4470 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.