#204D3F
Closest named color: Dark Blue Green (#005249). oklch(38.4% 0.056 170.4), rgb(32, 77, 63).
Aa
White text reads best on this color (9.56:1).
About this color
#204D3F is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.056 and its hue 170°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.022 away. White text reads best on it, at 9.56:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.19:1 |
| White text | 9.56:1 |
Values
| HEX | #204D3F |
| RGB | rgb(32, 77, 63) |
| HSL | hsl(161, 41%, 21%) |
| OKLCH | oklch(38.4% 0.056 170.4) |
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 #204D3F | 9.56:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #204D3F | 2.19:1 | Fails | Lc 12.0 | Not readable |
| #204D3F text on white | 9.56:1 | AAA | Lc 92.0 | Preferred for body text |
| #204D3F text on black | 2.19:1 | Fails | Lc -10.4 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CBDED7
oklch(88.4% 0.022 171.7)
-
Step 300
300
#A7CABD
oklch(81% 0.042 170.7)
-
Step 400
400
#75AE9A
oklch(70.5% 0.067 170.4)
-
Step 500
500
#4E9A82
oklch(63% 0.085 170.6)
-
Step 600
600
#2C856B
oklch(55.7% 0.093 169.9)
-
Step 700
700
#1D7059
oklch(49% 0.086 170.1)
-
Step 800
800
#1C5B49
oklch(42.6% 0.071 170.5)
-
Step 900
900 (this color)
#204D3F
oklch(38.4% 0.056 170.4)
-
Step 950
950
#132C24
oklch(27% 0.035 170.7)
#204D3F 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) | #4B483E | 0.057 |
| Deuteranopia (no green cones) | #444340 | 0.055 |
| Tritanopia (no blue cones) | #0C4E49 | 0.018 |
| Achromatopsia (no color) | #454545 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #204D3F
#204D3F
oklch(38.4% 0.056 170.4)
- #5A3747
#5A3747
oklch(38.4% 0.055 351.1)
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 #204D3F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.022
- Dark Teal #014D4E ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.033
- Evergreen #05472A ΔE 0.043
- Deep Teal #00555A ΔE 0.044
- Charcoal #264653 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.052
- Pine Green #0A481E ΔE 0.055
Use #204D3F 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.