#285C75
Closest named color: YInMn Blue (#415A77). oklch(45.1% 0.069 232), rgb(40, 92, 117).
Aa
White text reads best on this color (7.29:1).
About this color
#285C75 is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.069 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.027 away. White text reads best on it, at 7.29:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.87:1 |
| White text | 7.29:1 |
Values
| HEX | #285C75 |
| RGB | rgb(40, 92, 117) |
| HSL | hsl(199, 49%, 31%) |
| OKLCH | oklch(45.1% 0.069 232) |
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 #285C75 | 7.29:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #285C75 | 2.87:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #285C75 text on white | 7.29:1 | AAA | Lc 85.2 | Fine for body text |
| #285C75 text on black | 2.87:1 | Fails | Lc -16.9 | 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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A8C6D6
oklch(81% 0.039 231.2)
-
Step 400
400
#77A8C2
oklch(70.6% 0.065 232)
-
Step 500
500
#5292B3
oklch(63% 0.082 232.6)
-
Step 600
600
#337C9E
oklch(55.5% 0.089 231.7)
-
Step 700
700
#256988
oklch(49.2% 0.083 231.8)
-
Step 800
800 (this color)
#285C75
oklch(45.1% 0.069 232)
-
Step 900
900
#214759
oklch(37.8% 0.053 231)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#285C75 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) | #505B76 | 0.046 |
| Deuteranopia (no green cones) | #455375 | 0.040 |
| Tritanopia (no blue cones) | #006364 | 0.046 |
| Achromatopsia (no color) | #565656 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285C75
#285C75
oklch(45.1% 0.069 232)
- #744A30
#744A30
oklch(45.1% 0.069 51.9)
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 #285C75, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Petrol #005F6A ΔE 0.031
- Light Navy Blue #2E5A88 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.043
- Denim #3B638C ΔE 0.046
- Dark Aqua #05696B ΔE 0.051
- Light Navy #155084 ΔE 0.053
- Dusty Grape #545775 ΔE 0.053
Use #285C75 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.