#254643
Closest named color: Charcoal (#264653). oklch(36.8% 0.039 188.1), rgb(37, 70, 67).
Aa
White text reads best on this color (10.31:1).
About this color
#254643 is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.039 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.028 away. White text reads best on it, at 10.31:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.039) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.03:1 |
| White text | 10.31:1 |
Values
| HEX | #254643 |
| RGB | rgb(37, 70, 67) |
| HSL | hsl(175, 31%, 21%) |
| OKLCH | oklch(36.8% 0.039 188.1) |
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 #254643 | 10.31:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #254643 | 2.03:1 | Fails | Lc 10.1 | Not readable |
| #254643 text on white | 10.31:1 | AAA | Lc 93.9 | Preferred for body text |
| #254643 text on black | 2.03:1 | Fails | Lc -8.7 | 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
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ACC7C4
oklch(80.9% 0.029 188.4)
-
Step 400
400
#7FABA6
oklch(70.8% 0.048 187.4)
-
Step 500
500
#5D9690
oklch(63.2% 0.061 187.3)
-
Step 600
600
#41807A
oklch(55.6% 0.066 187.4)
-
Step 700
700
#326C67
oklch(49.1% 0.061 187.9)
-
Step 800
800
#2B5854
oklch(42.7% 0.05 187.9)
-
Step 900
900 (this color)
#254643
oklch(36.8% 0.039 188.1)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#254643 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 | 0.042 |
| Deuteranopia (no green cones) | #3D3F43 | 0.038 |
| Tritanopia (no blue cones) | #174745 | 0.012 |
| Achromatopsia (no color) | #404040 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254643
#254643
oklch(36.8% 0.039 188.1)
- #52373B
#52373B
oklch(36.9% 0.039 9.4)
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 #254643, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.028
- Dark Teal #014D4E ΔE 0.029
- Charcoal Grey #3C4142 ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.035
- Dark Blue Green #005249 ΔE 0.041
- Onyx #343A40 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.047
Use #254643 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.