#285A77
Closest named color: YInMn Blue (#415A77). oklch(44.7% 0.072 236.9), rgb(40, 90, 119).
Aa
White text reads best on this color (7.44:1).
About this color
#285A77 is a dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.072 and its hue 237°. 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 7.44:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.81:1 |
| White text | 7.44:1 |
Values
| HEX | #285A77 |
| RGB | rgb(40, 90, 119) |
| HSL | hsl(202, 50%, 31%) |
| OKLCH | oklch(44.7% 0.072 236.9) |
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 #285A77 | 7.44:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #285A77 | 2.81:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #285A77 text on white | 7.44:1 | AAA | Lc 85.7 | Fine for body text |
| #285A77 text on black | 2.81:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CBDCE7
oklch(88.5% 0.024 236)
-
Step 300
300
#A8C5D9
oklch(80.8% 0.042 238.2)
-
Step 400
400
#78A7C5
oklch(70.6% 0.067 237)
-
Step 500
500
#5391B7
oklch(63% 0.086 237.2)
-
Step 600
600
#357BA3
oklch(55.6% 0.093 236.9)
-
Step 700
700
#27678B
oklch(49% 0.086 237.1)
-
Step 800
800 (this color)
#285A77
oklch(44.7% 0.072 236.9)
-
Step 900
900
#22465C
oklch(37.8% 0.056 237.6)
-
Step 950
950
#142936
oklch(27% 0.036 237.4)
#285A77 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) | #4C5A78 | 0.042 |
| Deuteranopia (no green cones) | #425277 | 0.035 |
| Tritanopia (no blue cones) | #006164 | 0.049 |
| Achromatopsia (no color) | #555555 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285A77
#285A77
oklch(44.7% 0.072 236.9)
- #72492A
#72492A
oklch(44.5% 0.072 56.7)
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 #285A77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.027
- Light Navy Blue #2E5A88 ΔE 0.030
- Petrol #005F6A ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.037
- Light Navy #155084 ΔE 0.045
- Denim #3B638C ΔE 0.047
- Dusk Blue #26538D ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.050
Use #285A77 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.