#285B98
Closest named color: Denim Blue (#3B5B92). oklch(46.8% 0.113 254.6), rgb(40, 91, 152).
Aa
White text reads best on this color (6.90:1).
About this color
#285B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.113 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.020 away. White text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.04:1 |
| White text | 6.90:1 |
Values
| HEX | #285B98 |
| RGB | rgb(40, 91, 152) |
| HSL | hsl(213, 58%, 38%) |
| OKLCH | oklch(46.8% 0.113 254.6) |
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 #285B98 | 6.90:1 | AA | Lc -88.6 | Fine for body text |
| Black text on #285B98 | 3.04:1 | AA large text | Lc 20.5 | Dividers and decoration only |
| #285B98 text on white | 6.90:1 | AA | Lc 83.6 | Fine for body text |
| #285B98 text on black | 3.04:1 | AA large text | Lc -18.4 | 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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E4
oklch(80.9% 0.055 254.5)
-
Step 400
400
#7BA3D7
oklch(70.6% 0.088 255.3)
-
Step 500
500
#588CCC
oklch(63.1% 0.112 254.4)
-
Step 600
600
#3D75B9
oklch(55.7% 0.122 254.6)
-
Step 700
700 (this color)
#285B98
oklch(46.8% 0.113 254.6)
-
Step 800
800
#285081
oklch(42.7% 0.094 254.7)
-
Step 900
900
#254368
oklch(37.8% 0.073 254.6)
-
Step 950
950
#16273D
oklch(27% 0.047 255.4)
#285B98 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) | #3F609A | 0.029 |
| Deuteranopia (no green cones) | #2D5597 | 0.017 |
| Tritanopia (no blue cones) | #006972 | 0.087 |
| Achromatopsia (no color) | #5A5A5A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285B98
#285B98
oklch(46.8% 0.113 254.6)
- #7A5100
#7A5100
oklch(46.9% 0.099 75.3)
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 #285B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.020
- Light Navy Blue #2E5A88 ΔE 0.026
- Dusk Blue #26538D ΔE 0.028
- Dusky Blue #475F94 ΔE 0.037
- Peacock Blue #016795 ΔE 0.038
- Denim #3B638C ΔE 0.040
- Light Navy #155084 ΔE 0.047
- Deep Sea Blue #015482 ΔE 0.048
Use #285B98 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.