#23544D
Closest named color: Dark Slate Gray (#2F4F4F). oklch(41% 0.054 182.9), rgb(35, 84, 77).
Aa
White text reads best on this color (8.58:1).
About this color
#23544D is a dark, muted teal or cyan. In OKLCH its lightness is 41%, its chroma 0.054 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 8.58:1.
| Hue family | Teals and cyans |
| Lightness | dark (41%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.44:1 |
| White text | 8.58:1 |
Values
| HEX | #23544D |
| RGB | rgb(35, 84, 77) |
| HSL | hsl(171, 41%, 23%) |
| OKLCH | oklch(41% 0.054 182.9) |
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 #23544D | 8.58:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #23544D | 2.44:1 | Fails | Lc 14.7 | Not readable |
| #23544D text on white | 8.58:1 | AAA | Lc 89.3 | Fine for body text |
| #23544D text on black | 2.44:1 | Fails | Lc -12.9 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E4ECEA
oklch(93.6% 0.009 179.6)
-
Step 200
200
#CDDDDA
oklch(88.5% 0.018 183.5)
-
Step 300
300
#ABC8C2
oklch(81% 0.032 181.6)
-
Step 400
400
#7DABA3
oklch(70.6% 0.051 182.9)
-
Step 500
500
#5A978D
oklch(63.2% 0.066 182.5)
-
Step 600
600
#3D8177
oklch(55.6% 0.071 182.8)
-
Step 700
700
#2F6D64
oklch(49.1% 0.066 182.7)
-
Step 800
800 (this color)
#23544D
oklch(41% 0.054 182.9)
-
Step 900
900
#264944
oklch(37.7% 0.042 183.9)
-
Step 950
950
#172B28
oklch(27.1% 0.027 183.8)
#23544D 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) | #504F4D | 0.058 |
| Deuteranopia (no green cones) | #484A4E | 0.054 |
| Tritanopia (no blue cones) | #035652 | 0.017 |
| Achromatopsia (no color) | #4C4C4C | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #23544D
#23544D
oklch(41% 0.054 182.9)
- #633E47
#633E47
oklch(41% 0.053 3.8)
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 #23544D, 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
- Dark Blue Green #005249 ΔE 0.023
- Deep Teal #00555A ΔE 0.025
- Dark Teal #014D4E ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.047
- Petrol #005F6A ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Pine #2B5D34 ΔE 0.057
Use #23544D 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.