#254F46
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39.4% 0.05 177.8), rgb(37, 79, 70).
Aa
White text reads best on this color (9.18:1).
About this color
#254F46 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.050 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.020 away. White text reads best on it, at 9.18:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.28:1 |
| White text | 9.18:1 |
Values
| HEX | #254F46 |
| RGB | rgb(37, 79, 70) |
| HSL | hsl(167, 36%, 23%) |
| OKLCH | oklch(39.4% 0.05 177.8) |
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 #254F46 | 9.18:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #254F46 | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #254F46 text on white | 9.18:1 | AAA | Lc 91.0 | Preferred for body text |
| #254F46 text on black | 2.28:1 | Fails | Lc -11.3 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CBDED9
oklch(88.5% 0.021 178.3)
-
Step 300
300
#A8C9C0
oklch(80.9% 0.038 177)
-
Step 400
400
#78ADA0
oklch(70.7% 0.059 177.5)
-
Step 500
500
#519989
oklch(63.1% 0.077 177.5)
-
Step 600
600
#318373
oklch(55.5% 0.083 177.9)
-
Step 700
700
#236F60
oklch(49.1% 0.077 177.2)
-
Step 800
800
#1F5A4F
oklch(42.6% 0.064 178.6)
-
Step 900
900 (this color)
#254F46
oklch(39.4% 0.05 177.8)
-
Step 950
950
#142C26
oklch(27.1% 0.032 175.7)
#254F46 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) | #4C4B46 | 0.052 |
| Deuteranopia (no green cones) | #454647 | 0.049 |
| Tritanopia (no blue cones) | #12504C | 0.015 |
| Achromatopsia (no color) | #484848 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #254F46
#254F46
oklch(39.4% 0.05 177.8)
- #5C3B46
#5C3B46
oklch(39.4% 0.049 358)
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 #254F46, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.020
- Dark Blue Green #005249 ΔE 0.021
- Dark Teal #014D4E ΔE 0.027
- Deep Teal #00555A ΔE 0.035
- Charcoal #264653 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.054
- Evergreen #05472A ΔE 0.057
Use #254F46 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.