#285771
Closest named color: YInMn Blue (#415A77). oklch(43.6% 0.067 235.4), rgb(40, 87, 113).
Aa
White text reads best on this color (7.80:1).
About this color
#285771 is a dark, muted blue. In OKLCH its lightness is 44%, its chroma 0.067 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.032 away. White text reads best on it, at 7.80:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.69:1 |
| White text | 7.80:1 |
Values
| HEX | #285771 |
| RGB | rgb(40, 87, 113) |
| HSL | hsl(201, 48%, 30%) |
| OKLCH | oklch(43.6% 0.067 235.4) |
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 #285771 | 7.80:1 | AAA | Lc -91.7 | Preferred for body text |
| Black text on #285771 | 2.69:1 | Fails | Lc 17.1 | Dividers and decoration only |
| #285771 text on white | 7.80:1 | AAA | Lc 86.9 | Fine for body text |
| #285771 text on black | 2.69:1 | Fails | Lc -15.2 | 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
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A9C5D7
oklch(80.8% 0.04 236.2)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500
#5791B3
oklch(63% 0.08 235.7)
-
Step 600
600
#3A7B9F
oklch(55.6% 0.087 235.5)
-
Step 700
700
#2B6888
oklch(49.2% 0.081 234.7)
-
Step 800
800 (this color)
#285771
oklch(43.6% 0.067 235.4)
-
Step 900
900
#244659
oklch(37.7% 0.051 234.9)
-
Step 950
950
#162934
oklch(27% 0.032 235.1)
#285771 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) | #4B5672 | 0.042 |
| Deuteranopia (no green cones) | #414F71 | 0.035 |
| Tritanopia (no blue cones) | #005E60 | 0.047 |
| Achromatopsia (no color) | #525252 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285771
#285771
oklch(43.6% 0.067 235.4)
- #6E472C
#6E472C
oklch(43.6% 0.067 54.7)
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 #285771, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.032
- Petrol #005F6A ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.039
- Light Navy #155084 ΔE 0.045
- Deep Teal #00555A ΔE 0.048
- Dusk Blue #26538D ΔE 0.051
- Dark Slate Gray #2F4F4F ΔE 0.055
Use #285771 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.