#285E77
Closest named color: YInMn Blue (#415A77). oklch(45.7% 0.07 231.1), rgb(40, 94, 119).
Aa
White text reads best on this color (7.10:1).
About this color
#285E77 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.070 and its hue 231°. 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 7.10:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.95:1 |
| White text | 7.10:1 |
Values
| HEX | #285E77 |
| RGB | rgb(40, 94, 119) |
| HSL | hsl(199, 50%, 31%) |
| OKLCH | oklch(45.7% 0.07 231.1) |
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 #285E77 | 7.10:1 | AAA | Lc -89.4 | Fine for body text |
| Black text on #285E77 | 2.95:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #285E77 text on white | 7.10:1 | AAA | Lc 84.4 | Fine for body text |
| #285E77 text on black | 2.95:1 | Fails | Lc -17.6 | 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
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#76A8C2
oklch(70.6% 0.065 231.5)
-
Step 500
500
#5093B3
oklch(63.2% 0.083 230.8)
-
Step 600
600
#307C9F
oklch(55.5% 0.091 231.8)
-
Step 700
700
#226988
oklch(49.2% 0.084 231.1)
-
Step 800
800 (this color)
#285E77
oklch(45.7% 0.07 231.1)
-
Step 900
900
#1F4759
oklch(37.7% 0.054 229.9)
-
Step 950
950
#132934
oklch(26.8% 0.035 231.8)
#285E77 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) | #515D78 | 0.047 |
| Deuteranopia (no green cones) | #465577 | 0.040 |
| Tritanopia (no blue cones) | #006566 | 0.045 |
| Achromatopsia (no color) | #585858 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285E77
#285E77
oklch(45.7% 0.07 231.1)
- #764B32
#764B32
oklch(45.6% 0.07 50.5)
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 #285E77, 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 0.032
- Light Navy Blue #2E5A88 ΔE 0.034
- Denim #3B638C ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.047
- Dark Aqua #05696B ΔE 0.047
- Peacock Blue #016795 ΔE 0.050
- Denim Blue #3B5B92 ΔE 0.053
Use #285E77 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.