#2E4360
Closest named color: Dark Grey Blue (#29465B). oklch(37.9% 0.057 256.6), rgb(46, 67, 96).
Aa
White text reads best on this color (10.05:1).
About this color
#2E4360 is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.057 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.016 away. White text reads best on it, at 10.05:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.05:1 |
Values
| HEX | #2E4360 |
| RGB | rgb(46, 67, 96) |
| HSL | hsl(215, 35%, 28%) |
| OKLCH | oklch(37.9% 0.057 256.6) |
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 #2E4360 | 10.05:1 | AAA | Lc -97.4 | Preferred for body text |
| Black text on #2E4360 | 2.08:1 | Fails | Lc 10.7 | Not readable |
| #2E4360 text on white | 10.05:1 | AAA | Lc 93.3 | Preferred for body text |
| #2E4360 text on black | 2.08:1 | Fails | Lc -9.2 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E5EAF2
oklch(93.6% 0.012 259.8)
-
Step 200
200
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AFC2DC
oklch(80.8% 0.042 256.3)
-
Step 400
400
#85A3CB
oklch(70.7% 0.068 255.7)
-
Step 500
500
#678BBE
oklch(63.1% 0.087 257.1)
-
Step 600
600
#4E75AA
oklch(55.7% 0.094 256.3)
-
Step 700
700
#3F6292
oklch(49.2% 0.088 256.6)
-
Step 800
800
#345076
oklch(42.7% 0.072 256.3)
-
Step 900
900 (this color)
#2E4360
oklch(37.9% 0.057 256.6)
-
Step 950
950
#1B2738
oklch(27% 0.036 257.1)
#2E4360 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) | #384561 | 0.016 |
| Deuteranopia (no green cones) | #32405F | 0.010 |
| Tritanopia (no blue cones) | #18494D | 0.050 |
| Achromatopsia (no color) | #424242 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4360
#2E4360
oklch(37.9% 0.057 256.6)
- #533E1D
#533E1D
oklch(37.9% 0.056 77)
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 #2E4360, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.016
- Charcoal #264653 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.045
- Twilight Blue #0A437A ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.053
- Onyx #343A40 ΔE 0.055
- Dark Slate Gray #2F4F4F ΔE 0.056
Use #2E4360 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.