#2E5367
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.3% 0.054 233.7), rgb(46, 83, 103).
Aa
White text reads best on this color (8.23:1).
About this color
#2E5367 is a dark, muted blue. In OKLCH its lightness is 42%, its chroma 0.054 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.039 away. White text reads best on it, at 8.23:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.54:1 |
| White text | 8.23:1 |
Values
| HEX | #2E5367 |
| RGB | rgb(46, 83, 103) |
| HSL | hsl(201, 38%, 29%) |
| OKLCH | oklch(42.3% 0.054 233.7) |
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 #2E5367 | 8.23:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #2E5367 | 2.54:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #2E5367 text on white | 8.23:1 | AAA | Lc 88.4 | Fine for body text |
| #2E5367 text on black | 2.54:1 | Fails | Lc -13.8 | 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 800.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#AEC5D2
oklch(81% 0.031 232.5)
-
Step 400
400
#82A6BC
oklch(70.6% 0.051 235.3)
-
Step 500
500
#6190AB
oklch(63% 0.065 234.4)
-
Step 600
600
#477A96
oklch(55.5% 0.07 234)
-
Step 700
700
#386780
oklch(49.1% 0.065 233.5)
-
Step 800
800 (this color)
#2E5367
oklch(42.3% 0.054 233.7)
-
Step 900
900
#2A4555
oklch(37.6% 0.043 235.6)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#2E5367 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) | #495268 | 0.035 |
| Deuteranopia (no green cones) | #414C67 | 0.030 |
| Tritanopia (no blue cones) | #0B585A | 0.040 |
| Achromatopsia (no color) | #4F4F4F | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E5367
#2E5367
oklch(42.3% 0.054 233.7)
- #654631
#654631
oklch(42.3% 0.054 54.8)
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 #2E5367, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.039
- Deep Teal #00555A ΔE 0.040
- YInMn Blue #415A77 ΔE 0.041
- Petrol #005F6A ΔE 0.042
- Dark Grey Blue #29465B ΔE 0.043
- Charcoal #264653 ΔE 0.050
- Deep Sea Blue #015482 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.055
Use #2E5367 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.