#285F75
Closest named color: Petrol (#005F6A). oklch(45.8% 0.068 227.4), rgb(40, 95, 117).
Aa
White text reads best on this color (7.03:1).
About this color
#285F75 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 46%, its chroma 0.068 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.029 away. White text reads best on it, at 7.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #285F75 |
| RGB | rgb(40, 95, 117) |
| HSL | hsl(197, 49%, 31%) |
| OKLCH | oklch(45.8% 0.068 227.4) |
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 #285F75 | 7.03:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #285F75 | 2.98:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #285F75 text on white | 7.03:1 | AAA | Lc 84.2 | Fine for body text |
| #285F75 text on black | 2.98:1 | Fails | Lc -17.8 | 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
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D5
oklch(80.9% 0.04 228.7)
-
Step 400
400
#76A9C0
oklch(70.7% 0.064 227.8)
-
Step 500
500
#5093B0
oklch(63.1% 0.081 228.2)
-
Step 600
600
#307D9B
oklch(55.5% 0.087 227.4)
-
Step 700
700
#216A85
oklch(49.2% 0.082 227)
-
Step 800
800 (this color)
#285F75
oklch(45.8% 0.068 227.4)
-
Step 900
900
#1F4757
oklch(37.6% 0.052 226.9)
-
Step 950
950
#132A33
oklch(27.1% 0.033 225.6)
#285F75 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) | #535D76 | 0.049 |
| Deuteranopia (no green cones) | #495575 | 0.045 |
| Tritanopia (no blue cones) | #006566 | 0.041 |
| Achromatopsia (no color) | #595959 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285F75
#285F75
oklch(45.8% 0.068 227.4)
- #774C36
#774C36
oklch(46% 0.068 47.6)
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 #285F75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.029
- YInMn Blue #415A77 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.039
- Dark Aqua #05696B ΔE 0.042
- Denim #3B638C ΔE 0.044
- Deep Sea Blue #015482 ΔE 0.051
- Slate #516572 ΔE 0.052
- Peacock Blue #016795 ΔE 0.052
Use #285F75 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.