#254342
Closest named color: Charcoal (#264653). oklch(35.9% 0.036 192.9), rgb(37, 67, 66).
Aa
White text reads best on this color (10.71:1).
About this color
#254342 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.036 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.029 away. White text reads best on it, at 10.71:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 1.96:1 |
| White text | 10.71:1 |
Values
| HEX | #254342 |
| RGB | rgb(37, 67, 66) |
| HSL | hsl(178, 29%, 20%) |
| OKLCH | oklch(35.9% 0.036 192.9) |
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 #254342 | 10.71:1 | AAA | Lc -98.7 | Preferred for body text |
| Black text on #254342 | 1.96:1 | Fails | Lc 9.1 | Not readable |
| #254342 text on white | 10.71:1 | AAA | Lc 94.8 | Preferred for body text |
| #254342 text on black | 1.96:1 | Fails | Lc -7.8 | 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
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDCDC
oklch(88.4% 0.015 196.9)
-
Step 300
300
#AEC6C5
oklch(80.8% 0.026 193.6)
-
Step 400
400
#82AAA8
oklch(70.8% 0.043 192.4)
-
Step 500
500
#619493
oklch(63% 0.055 194.3)
-
Step 600
600
#467F7D
oklch(55.7% 0.06 192.6)
-
Step 700
700
#376B69
oklch(49.1% 0.056 192.2)
-
Step 800
800
#2E5756
oklch(42.7% 0.046 193.5)
-
Step 900
900 (this color)
#254342
oklch(35.9% 0.036 192.9)
-
Step 950
950
#192A29
oklch(27% 0.023 191.2)
#254342 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) | #404042 | 0.039 |
| Deuteranopia (no green cones) | #3A3C42 | 0.035 |
| Tritanopia (no blue cones) | #184543 | 0.013 |
| Achromatopsia (no color) | #3E3E3E | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254342
#254342
oklch(35.9% 0.036 192.9)
- #4E3537
#4E3537
oklch(35.9% 0.036 13.7)
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 #254342, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.032
- Onyx #343A40 ΔE 0.034
- Dark Teal #014D4E ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.039
- Dark Grey Blue #29465B ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.044
- Midnight Green #073B4C ΔE 0.046
Use #254342 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.