#205C59
Closest named color: Dark Green Blue (#1F6357). oklch(43.5% 0.061 190.5), rgb(32, 92, 89).
Aa
White text reads best on this color (7.67:1).
About this color
#205C59 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.061 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.024 away. White text reads best on it, at 7.67:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.73:1 |
| White text | 7.67:1 |
Values
| HEX | #205C59 |
| RGB | rgb(32, 92, 89) |
| HSL | hsl(177, 48%, 24%) |
| OKLCH | oklch(43.5% 0.061 190.5) |
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 #205C59 | 7.67:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #205C59 | 2.73:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #205C59 text on white | 7.67:1 | AAA | Lc 86.4 | Fine for body text |
| #205C59 text on black | 2.73:1 | Fails | Lc -15.6 | Dividers and decoration only |
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
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A7C8C6
oklch(80.8% 0.035 192)
-
Step 400
400
#76ACA9
oklch(70.6% 0.057 191.6)
-
Step 500
500
#4F9894
oklch(63.1% 0.074 190.8)
-
Step 600
600
#2E827E
oklch(55.6% 0.08 190.7)
-
Step 700
700
#206E6A
oklch(49.1% 0.074 190.1)
-
Step 800
800 (this color)
#205C59
oklch(43.5% 0.061 190.5)
-
Step 900
900
#1F4A47
oklch(37.8% 0.048 189.2)
-
Step 950
950
#132B2A
oklch(26.9% 0.03 192)
#205C59 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) | #575759 | 0.065 |
| Deuteranopia (no green cones) | #4D505A | 0.061 |
| Tritanopia (no blue cones) | #005F5B | 0.015 |
| Achromatopsia (no color) | #535353 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #205C59
#205C59
oklch(43.5% 0.061 190.5)
- #6F4349
#6F4349
oklch(43.6% 0.061 11.1)
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 #205C59, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.024
- Petrol #005F6A ΔE 0.028
- Deep Teal #00555A ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.040
- Dark Aqua #05696B ΔE 0.042
- Dark Blue Green #005249 ΔE 0.044
- Dark Teal #014D4E ΔE 0.055
- Pine #2B5D34 ΔE 0.058
Use #205C59 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.