#285A75
Closest named color: YInMn Blue (#415A77). oklch(44.6% 0.07 234.9), rgb(40, 90, 117).
Aa
White text reads best on this color (7.47:1).
About this color
#285A75 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.070 and its hue 235°. 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 7.47:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.80:1 |
| White text | 7.47:1 |
Values
| HEX | #285A75 |
| RGB | rgb(40, 90, 117) |
| HSL | hsl(201, 49%, 31%) |
| OKLCH | oklch(44.6% 0.07 234.9) |
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 #285A75 | 7.47:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #285A75 | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #285A75 text on white | 7.47:1 | AAA | Lc 85.8 | Fine for body text |
| #285A75 text on black | 2.80:1 | 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
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A8C5D7
oklch(80.8% 0.04 235.3)
-
Step 400
400
#78A8C4
oklch(70.8% 0.066 234.5)
-
Step 500
500
#5492B5
oklch(63.2% 0.083 234.9)
-
Step 600
600
#367BA1
oklch(55.5% 0.091 235.8)
-
Step 700
700
#276889
oklch(49.1% 0.084 234.4)
-
Step 800
800 (this color)
#285A75
oklch(44.6% 0.07 234.9)
-
Step 900
900
#22465A
oklch(37.7% 0.054 235)
-
Step 950
950
#152935
oklch(27% 0.034 236.3)
#285A75 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) | #4D5976 | 0.043 |
| Deuteranopia (no green cones) | #425175 | 0.037 |
| Tritanopia (no blue cones) | #006163 | 0.047 |
| Achromatopsia (no color) | #555555 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285A75
#285A75
oklch(44.6% 0.07 234.9)
- #72492D
#72492D
oklch(44.6% 0.07 54.3)
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 #285A75, 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 0.033
- Petrol #005F6A ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.039
- Light Navy #155084 ΔE 0.047
- Denim #3B638C ΔE 0.049
- Dusk Blue #26538D ΔE 0.050
- Dusty Grape #545775 ΔE 0.053
Use #285A75 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.