#285C68
Closest named color: Petrol (#005F6A). oklch(44.5% 0.058 215.1), rgb(40, 92, 104).
Aa
White text reads best on this color (7.44:1).
About this color
#285C68 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.058 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.020 away. White text reads best on it, at 7.44:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.82:1 |
| White text | 7.44:1 |
Values
| HEX | #285C68 |
| RGB | rgb(40, 92, 104) |
| HSL | hsl(191, 44%, 28%) |
| OKLCH | oklch(44.5% 0.058 215.1) |
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 #285C68 | 7.44:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #285C68 | 2.82:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #285C68 text on white | 7.44:1 | AAA | Lc 85.7 | Fine for body text |
| #285C68 text on black | 2.82:1 | Fails | Lc -16.3 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECEE
oklch(93.7% 0.01 212.5)
-
Step 200
200
#CCDDE1
oklch(88.6% 0.019 213.4)
-
Step 300
300
#A9C7CE
oklch(81% 0.034 213.4)
-
Step 400
400
#79AAB6
oklch(70.8% 0.055 214.6)
-
Step 500
500
#5494A4
oklch(63% 0.07 215.7)
-
Step 600
600
#367F8F
oklch(55.7% 0.076 214.4)
-
Step 700
700
#276B7A
oklch(49.2% 0.071 215)
-
Step 800
800 (this color)
#285C68
oklch(44.5% 0.058 215.1)
-
Step 900
900
#224851
oklch(37.8% 0.046 215.1)
-
Step 950
950
#152A2F
oklch(27% 0.028 214.7)
#285C68 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) | #535969 | 0.052 |
| Deuteranopia (no green cones) | #4A5268 | 0.048 |
| Tritanopia (no blue cones) | #006160 | 0.031 |
| Achromatopsia (no color) | #555555 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285C68
#285C68
oklch(44.5% 0.058 215.1)
- #70483E
#70483E
oklch(44.4% 0.058 34.7)
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 #285C68, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.020
- YInMn Blue #415A77 ΔE 0.040
- Deep Teal #00555A ΔE 0.040
- Dark Aqua #05696B ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.057
- Slate #516572 ΔE 0.059
Use #285C68 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.