#205251
Closest named color: Dark Slate Gray (#2F4F4F). oklch(40.5% 0.053 193.5), rgb(32, 82, 81).
Aa
White text reads best on this color (8.79:1).
About this color
#205251 is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.053 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.016 away. White text reads best on it, at 8.79:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.38:1 |
| White text | 8.79:1 |
Values
| HEX | #205251 |
| RGB | rgb(32, 82, 81) |
| HSL | hsl(179, 44%, 22%) |
| OKLCH | oklch(40.5% 0.053 193.5) |
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 #205251 | 8.79:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #205251 | 2.38:1 | Fails | Lc 14.1 | Not readable |
| #205251 text on white | 8.79:1 | AAA | Lc 89.9 | Fine for body text |
| #205251 text on black | 2.38:1 | Fails | Lc -12.3 | 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
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC7C6
oklch(80.8% 0.031 194)
-
Step 400
400
#7CABA9
oklch(70.7% 0.05 192.8)
-
Step 500
500
#599694
oklch(63.1% 0.064 193)
-
Step 600
600
#3C807F
oklch(55.6% 0.069 194.1)
-
Step 700
700
#2D6C6B
oklch(49% 0.064 193.8)
-
Step 800
800 (this color)
#205251
oklch(40.5% 0.053 193.5)
-
Step 900
900
#254948
oklch(37.8% 0.042 193.2)
-
Step 950
950
#162B2A
oklch(27.1% 0.027 191.8)
#205251 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) | #4D4E51 | 0.056 |
| Deuteranopia (no green cones) | #454851 | 0.052 |
| Tritanopia (no blue cones) | #005452 | 0.016 |
| Achromatopsia (no color) | #4A4A4A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #205251
#205251
oklch(40.5% 0.053 193.5)
- #623D40
#623D40
oklch(40.4% 0.052 14.4)
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 #205251, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.016
- Deep Teal #00555A ΔE 0.019
- Dark Blue Green #005249 ΔE 0.023
- Dark Teal #014D4E ΔE 0.026
- Charcoal #264653 ΔE 0.041
- Dark Grey Blue #29465B ΔE 0.048
- Petrol #005F6A ΔE 0.049
- Dark Green Blue #1F6357 ΔE 0.054
Use #205251 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.