#285B6D
Closest named color: Petrol (#005F6A). oklch(44.4% 0.062 224), rgb(40, 91, 109).
Aa
White text reads best on this color (7.48:1).
About this color
#285B6D is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.062 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.024 away. White text reads best on it, at 7.48:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #285B6D |
| RGB | rgb(40, 91, 109) |
| HSL | hsl(196, 46%, 29%) |
| OKLCH | oklch(44.4% 0.062 224) |
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 #285B6D | 7.48:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #285B6D | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #285B6D text on white | 7.48:1 | AAA | Lc 85.8 | Fine for body text |
| #285B6D text on black | 2.80:1 | Fails | Lc -16.2 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBEF
oklch(93.5% 0.01 228.9)
-
Step 200
200
#CCDCE3
oklch(88.5% 0.02 225.7)
-
Step 300
300
#A9C6D2
oklch(80.9% 0.036 224.7)
-
Step 400
400
#79A9BB
oklch(70.7% 0.057 223.2)
-
Step 500
500
#5493AB
oklch(63% 0.074 224.7)
-
Step 600
600
#367D96
oklch(55.5% 0.08 224.3)
-
Step 700
700
#286A80
oklch(49.2% 0.074 223.5)
-
Step 800
800 (this color)
#285B6D
oklch(44.4% 0.062 224)
-
Step 900
900
#224755
oklch(37.7% 0.049 225.1)
-
Step 950
950
#152A31
oklch(27.1% 0.03 221.5)
#285B6D 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) | #51596E | 0.049 |
| Deuteranopia (no green cones) | #47526D | 0.043 |
| Tritanopia (no blue cones) | #006161 | 0.038 |
| Achromatopsia (no color) | #555555 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285B6D
#285B6D
oklch(44.4% 0.062 224)
- #714837
#714837
oklch(44.4% 0.063 43.2)
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 #285B6D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.024
- YInMn Blue #415A77 ΔE 0.034
- Deep Teal #00555A ΔE 0.044
- Dark Aqua #05696B ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.051
- Dark Green Blue #1F6357 ΔE 0.052
- Dark Slate Gray #2F4F4F ΔE 0.053
Use #285B6D 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.