#20585E
Closest named color: Deep Teal (#00555A). oklch(42.6% 0.058 205), rgb(32, 88, 94).
Aa
White text reads best on this color (8.01:1).
About this color
#20585E is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.058 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Teal (#00555A), ΔE 0.021 away. White text reads best on it, at 8.01:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Deep Teal (#00555A) |
| Black text | 2.61:1 |
| White text | 8.01:1 |
Values
| HEX | #20585E |
| RGB | rgb(32, 88, 94) |
| HSL | hsl(186, 49%, 25%) |
| OKLCH | oklch(42.6% 0.058 205) |
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 #20585E | 8.01:1 | AAA | Lc -92.3 | Preferred for body text |
| Black text on #20585E | 2.61:1 | Fails | Lc 16.4 | Dividers and decoration only |
| #20585E text on white | 8.01:1 | AAA | Lc 87.6 | Fine for body text |
| #20585E text on black | 2.61:1 | Fails | Lc -14.6 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDDF
oklch(88.5% 0.018 205.3)
-
Step 300
300
#A8C7CB
oklch(80.8% 0.034 206)
-
Step 400
400
#78ABB1
oklch(70.7% 0.055 205.2)
-
Step 500
500
#52969E
oklch(63.1% 0.07 205.4)
-
Step 600
600
#338088
oklch(55.6% 0.075 204.7)
-
Step 700
700
#246C74
oklch(49.1% 0.071 205.6)
-
Step 800
800 (this color)
#20585E
oklch(42.6% 0.058 205)
-
Step 900
900
#21494D
oklch(37.8% 0.045 204.1)
-
Step 950
950
#142B2D
oklch(27.1% 0.029 202.9)
#20585E 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) | #51545E | 0.058 |
| Deuteranopia (no green cones) | #474D5E | 0.053 |
| Tritanopia (no blue cones) | #005C5A | 0.021 |
| Achromatopsia (no color) | #505050 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #20585E
#20585E
oklch(42.6% 0.058 205)
- #6B423E
#6B423E
oklch(42.6% 0.058 25.8)
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 #20585E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Teal #00555A ΔE 0.021
- Petrol #005F6A ΔE 0.026
- Dark Slate Gray #2F4F4F ΔE 0.032
- Dark Green Blue #1F6357 ΔE 0.041
- Dark Blue Green #005249 ΔE 0.043
- Dark Teal #014D4E ΔE 0.047
- Dark Aqua #05696B ΔE 0.052
- Charcoal #264653 ΔE 0.056
Use #20585E 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.