#2E4B5E
Closest named color: Dark Grey Blue (#29465B). oklch(39.8% 0.047 238.3), rgb(46, 75, 94).
Aa
White text reads best on this color (9.19:1).
About this color
#2E4B5E is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.047 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.018 away. White text reads best on it, at 9.19:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #2E4B5E |
| RGB | rgb(46, 75, 94) |
| HSL | hsl(204, 34%, 27%) |
| OKLCH | oklch(39.8% 0.047 238.3) |
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 #2E4B5E | 9.19:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #2E4B5E | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #2E4B5E text on white | 9.19:1 | AAA | Lc 91.1 | Preferred for body text |
| #2E4B5E text on black | 2.28:1 | Fails | Lc -11.2 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CEDBE5
oklch(88.5% 0.02 240.8)
-
Step 300
300
#ACC4D5
oklch(80.8% 0.036 238.8)
-
Step 400
400
#80A6C0
oklch(70.6% 0.056 238.5)
-
Step 500
500
#5E90B1
oklch(63.1% 0.073 238.4)
-
Step 600
600
#437A9C
oklch(55.6% 0.079 237.6)
-
Step 700
700
#356686
oklch(49% 0.074 239.3)
-
Step 800
800
#2C546D
oklch(42.8% 0.061 238)
-
Step 900
900 (this color)
#2E4B5E
oklch(39.8% 0.047 238.3)
-
Step 950
950
#182934
oklch(27.1% 0.031 237.8)
#2E4B5E 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) | #424B5F | 0.027 |
| Deuteranopia (no green cones) | #3C455E | 0.025 |
| Tritanopia (no blue cones) | #185051 | 0.038 |
| Achromatopsia (no color) | #484848 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4B5E
#2E4B5E
oklch(39.8% 0.047 238.3)
- #5B412D
#5B412D
oklch(39.9% 0.048 58.4)
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 #2E4B5E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.018
- Charcoal #264653 ΔE 0.025
- Dark Slate Gray #2F4F4F ΔE 0.033
- Deep Teal #00555A ΔE 0.044
- Dark Teal #014D4E ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.059
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #2E4B5E 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.