#285B58
Closest named color: Dark Green Blue (#1F6357). oklch(43.5% 0.055 190.2), rgb(40, 91, 88).
Aa
White text reads best on this color (7.69:1).
About this color
#285B58 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.055 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.027 away. White text reads best on it, at 7.69:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.72:1 |
| White text | 7.69:1 |
Values
| HEX | #285B58 |
| RGB | rgb(40, 91, 88) |
| HSL | hsl(176, 39%, 26%) |
| OKLCH | oklch(43.5% 0.055 190.2) |
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 #285B58 | 7.69:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #285B58 | 2.72:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #285B58 text on white | 7.69:1 | AAA | Lc 86.6 | Fine for body text |
| #285B58 text on black | 2.72:1 | 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
#E3ECEB
oklch(93.6% 0.01 189.1)
-
Step 200
200
#CDDDDC
oklch(88.5% 0.017 192.3)
-
Step 300
300
#AAC8C5
oklch(81% 0.033 189.1)
-
Step 400
400
#7BABA8
oklch(70.6% 0.051 191.2)
-
Step 500
500
#579692
oklch(63% 0.065 190.4)
-
Step 600
600
#3A817D
oklch(55.7% 0.071 190.3)
-
Step 700
700
#2B6D69
oklch(49.2% 0.067 189.7)
-
Step 800
800 (this color)
#285B58
oklch(43.5% 0.055 190.2)
-
Step 900
900
#244947
oklch(37.7% 0.043 190.9)
-
Step 950
950
#162B29
oklch(27.1% 0.027 187.9)
#285B58 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) | #565758 | 0.058 |
| Deuteranopia (no green cones) | #4E5059 | 0.056 |
| Tritanopia (no blue cones) | #045D5A | 0.019 |
| Achromatopsia (no color) | #535353 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285B58
#285B58
oklch(43.5% 0.055 190.2)
- #6C444A
#6C444A
oklch(43.5% 0.056 9.8)
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 #285B58, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.027
- Petrol #005F6A ΔE 0.031
- Deep Teal #00555A ΔE 0.033
- Dark Slate Gray #2F4F4F ΔE 0.037
- Dark Blue Green #005249 ΔE 0.045
- Dark Aqua #05696B ΔE 0.045
- Dark Teal #014D4E ΔE 0.056
- Pine #2B5D34 ΔE 0.059
Use #285B58 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.