#2E4543
Closest named color: Charcoal Grey (#3C4142). oklch(37.1% 0.029 189.2), rgb(46, 69, 67).
Aa
White text reads best on this color (10.25:1).
About this color
#2E4543 is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.023 away. White text reads best on it, at 10.25:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.04:1 |
| White text | 10.25:1 |
Values
| HEX | #2E4543 |
| RGB | rgb(46, 69, 67) |
| HSL | hsl(175, 20%, 23%) |
| OKLCH | oklch(37.1% 0.029 189.2) |
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 #2E4543 | 10.25:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #2E4543 | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #2E4543 text on white | 10.25:1 | AAA | Lc 93.8 | Preferred for body text |
| #2E4543 text on black | 2.04:1 | Fails | Lc -8.8 | 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 900.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEB
oklch(93.6% 0.006 197)
-
Step 200
200
#D1DCDB
oklch(88.6% 0.012 190.4)
-
Step 300
300
#B2C5C3
oklch(80.8% 0.021 189.1)
-
Step 400
400
#89A8A5
oklch(70.7% 0.034 189.2)
-
Step 500
500
#6B928F
oklch(63% 0.043 190.2)
-
Step 600
600
#527D79
oklch(55.7% 0.048 188.5)
-
Step 700
700
#426966
oklch(49.1% 0.044 189.7)
-
Step 800
800
#375653
oklch(42.8% 0.037 188.2)
-
Step 900
900 (this color)
#2E4543
oklch(37.1% 0.029 189.2)
-
Step 950
950
#1C2928
oklch(26.9% 0.018 190.2)
#2E4543 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) | #434343 | 0.031 |
| Deuteranopia (no green cones) | #3E3F43 | 0.029 |
| Tritanopia (no blue cones) | #264644 | 0.010 |
| Achromatopsia (no color) | #414141 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2E4543
#2E4543
oklch(37.1% 0.029 189.2)
- #4E3A3D
#4E3A3D
oklch(37.2% 0.029 8.5)
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 #2E4543, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.023
- Charcoal #264653 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.034
- Onyx #343A40 ΔE 0.036
- Dark Teal #014D4E ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.041
- Dark Blue Grey #1F3B4D ΔE 0.048
- Dark Blue Green #005249 ΔE 0.048
Use #2E4543 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.