#27554E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41.5% 0.052 182.5), rgb(39, 85, 78).
Aa
White text reads best on this color (8.41:1).
About this color
#27554E is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.052 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.021 away. White text reads best on it, at 8.41:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.49:1 |
| White text | 8.41:1 |
Values
| HEX | #27554E |
| RGB | rgb(39, 85, 78) |
| HSL | hsl(171, 37%, 24%) |
| OKLCH | oklch(41.5% 0.052 182.5) |
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 #27554E | 8.41:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #27554E | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #27554E text on white | 8.41:1 | AAA | Lc 88.9 | Fine for body text |
| #27554E text on black | 2.49:1 | Fails | Lc -13.3 | 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 800.
-
Step 50
50
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CEDDDA
oklch(88.5% 0.017 182.7)
-
Step 300
300
#ACC7C2
oklch(80.8% 0.03 183.2)
-
Step 400
400
#7FABA3
oklch(70.7% 0.049 182.4)
-
Step 500
500
#5D968D
oklch(63.1% 0.062 183.2)
-
Step 600
600
#418077
oklch(55.5% 0.067 183.5)
-
Step 700
700
#326C64
oklch(49% 0.062 183.6)
-
Step 800
800 (this color)
#27554E
oklch(41.5% 0.052 182.5)
-
Step 900
900
#274943
oklch(37.7% 0.041 181.4)
-
Step 950
950
#182B27
oklch(27.1% 0.026 179.4)
#27554E 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) | #51514E | 0.055 |
| Deuteranopia (no green cones) | #4A4B4F | 0.053 |
| Tritanopia (no blue cones) | #0F5753 | 0.016 |
| Achromatopsia (no color) | #4D4D4D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #27554E
#27554E
oklch(41.5% 0.052 182.5)
- #644049
#644049
oklch(41.6% 0.052 3.3)
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 #27554E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.021
- Deep Teal #00555A ΔE 0.027
- Dark Blue Green #005249 ΔE 0.028
- Dark Teal #014D4E ΔE 0.039
- Dark Green Blue #1F6357 ΔE 0.043
- Petrol #005F6A ΔE 0.048
- Charcoal #264653 ΔE 0.054
- Pine #2B5D34 ΔE 0.055
Use #27554E 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.