#205B5D
Closest named color: Petrol (#005F6A). oklch(43.4% 0.06 198.3), rgb(32, 91, 93).
Aa
White text reads best on this color (7.73:1).
About this color
#205B5D is a dark, muted teal or cyan. In OKLCH its lightness is 43%, its chroma 0.060 and its hue 198°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.023 away. White text reads best on it, at 7.73:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.71:1 |
| White text | 7.73:1 |
Values
| HEX | #205B5D |
| RGB | rgb(32, 91, 93) |
| HSL | hsl(182, 49%, 25%) |
| OKLCH | oklch(43.4% 0.06 198.3) |
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 #205B5D | 7.73:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #205B5D | 2.71:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #205B5D text on white | 7.73:1 | AAA | Lc 86.6 | Fine for body text |
| #205B5D text on black | 2.71:1 | Fails | Lc -15.5 | 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
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CBDDDE
oklch(88.4% 0.019 200.8)
-
Step 300
300
#A7C8C9
oklch(80.9% 0.035 198.7)
-
Step 400
400
#76ACAD
oklch(70.7% 0.057 197.4)
-
Step 500
500
#509799
oklch(63.1% 0.072 197.9)
-
Step 600
600
#2F8184
oklch(55.5% 0.078 198.6)
-
Step 700
700
#206D70
oklch(49.1% 0.073 198.8)
-
Step 800
800 (this color)
#205B5D
oklch(43.4% 0.06 198.3)
-
Step 900
900
#1F494B
oklch(37.7% 0.047 199.5)
-
Step 950
950
#132B2C
oklch(27% 0.03 199.1)
#205B5D 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) | #55575D | 0.062 |
| Deuteranopia (no green cones) | #4B505D | 0.057 |
| Tritanopia (no blue cones) | #005E5B | 0.017 |
| Achromatopsia (no color) | #535353 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #205B5D
#205B5D
oklch(43.4% 0.06 198.3)
- #6E4344
#6E4344
oklch(43.3% 0.06 18.3)
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 #205B5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.023
- Deep Teal #00555A ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.031
- Dark Slate Gray #2F4F4F ΔE 0.038
- Dark Aqua #05696B ΔE 0.043
- Dark Blue Green #005249 ΔE 0.046
- Dark Teal #014D4E ΔE 0.053
- YInMn Blue #415A77 ΔE 0.059
Use #205B5D 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.