#2C545E
Closest named color: Dark Slate Gray (#2F4F4F). oklch(42.1% 0.048 215.8), rgb(44, 84, 94).
Aa
White text reads best on this color (8.27:1).
About this color
#2C545E is a dark, muted teal or cyan. In OKLCH its lightness is 42%, its chroma 0.048 and its hue 216°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.025 away. White text reads best on it, at 8.27:1.
| Hue family | Teals and cyans |
| Lightness | dark (42%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.53:1 |
| White text | 8.27:1 |
Values
| HEX | #2C545E |
| RGB | rgb(44, 84, 94) |
| HSL | hsl(192, 36%, 27%) |
| OKLCH | oklch(42.1% 0.048 215.8) |
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 #2C545E | 8.27:1 | AAA | Lc -93.1 | Preferred for body text |
| Black text on #2C545E | 2.53:1 | Fails | Lc 15.5 | Dividers and decoration only |
| #2C545E text on white | 8.27:1 | AAA | Lc 88.5 | Fine for body text |
| #2C545E text on black | 2.53:1 | Fails | Lc -13.7 | 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 800.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC6CC
oklch(81% 0.028 213.8)
-
Step 400
400
#81A8B2
oklch(70.6% 0.045 215.2)
-
Step 500
500
#6093A0
oklch(63.2% 0.058 215.6)
-
Step 600
600
#457D8B
oklch(55.7% 0.063 215.8)
-
Step 700
700
#366976
oklch(49.1% 0.058 216.4)
-
Step 800
800 (this color)
#2C545E
oklch(42.1% 0.048 215.8)
-
Step 900
900
#29474E
oklch(37.7% 0.038 214.2)
-
Step 950
950
#19292E
oklch(26.9% 0.023 219.4)
#2C545E 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) | #4D525F | 0.043 |
| Deuteranopia (no green cones) | #454C5E | 0.038 |
| Tritanopia (no blue cones) | #0F5857 | 0.029 |
| Achromatopsia (no color) | #4E4E4E | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2C545E
#2C545E
oklch(42.1% 0.048 215.8)
- #65443B
#65443B
oklch(42.1% 0.048 35.9)
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 #2C545E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.025
- Deep Teal #00555A ΔE 0.028
- Petrol #005F6A ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.045
- Charcoal #264653 ΔE 0.046
- Dark Teal #014D4E ΔE 0.047
- Dark Blue Green #005249 ΔE 0.049
- YInMn Blue #415A77 ΔE 0.052
Use #2C545E 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.