#204D50
Closest named color: Dark Slate Gray (#2F4F4F). oklch(39% 0.049 201.2), rgb(32, 77, 80).
Aa
White text reads best on this color (9.38:1).
About this color
#204D50 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.049 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Gray (#2F4F4F), ΔE 0.018 away. White text reads best on it, at 9.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Slate Gray (#2F4F4F) |
| Black text | 2.23:1 |
| White text | 9.38:1 |
Values
| HEX | #204D50 |
| RGB | rgb(32, 77, 80) |
| HSL | hsl(184, 43%, 22%) |
| OKLCH | oklch(39% 0.049 201.2) |
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 #204D50 | 9.38:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #204D50 | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #204D50 text on white | 9.38:1 | AAA | Lc 91.5 | Preferred for body text |
| #204D50 text on black | 2.23:1 | Fails | Lc -10.9 | 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 900.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADDDF
oklch(88.4% 0.021 204.4)
-
Step 300
300
#A6C8CA
oklch(80.9% 0.036 200.9)
-
Step 400
400
#74ACB0
oklch(70.7% 0.059 201.6)
-
Step 500
500
#4B979C
oklch(63% 0.075 201.1)
-
Step 600
600
#288287
oklch(55.7% 0.082 200.5)
-
Step 700
700
#186D73
oklch(49% 0.076 202.2)
-
Step 800
800
#18595D
oklch(42.6% 0.063 201.1)
-
Step 900
900 (this color)
#204D50
oklch(39% 0.049 201.2)
-
Step 950
950
#122B2D
oklch(27% 0.031 202.3)
#204D50 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) | #474A50 | 0.049 |
| Deuteranopia (no green cones) | #404450 | 0.046 |
| Tritanopia (no blue cones) | #00504E | 0.020 |
| Achromatopsia (no color) | #464646 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204D50
#204D50
oklch(39% 0.049 201.2)
- #5D3A39
#5D3A39
oklch(39% 0.05 21.4)
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 #204D50, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Gray #2F4F4F ΔE 0.018
- Dark Teal #014D4E ΔE 0.018
- Charcoal #264653 ΔE 0.026
- Deep Teal #00555A ΔE 0.028
- Dark Blue Green #005249 ΔE 0.029
- Dark Grey Blue #29465B ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.060
Use #204D50 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.