#285F88
Closest named color: Light Navy Blue (#2E5A88). oklch(46.8% 0.088 243.9), rgb(40, 95, 136).
Aa
White text reads best on this color (6.81:1).
About this color
#285F88 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.088 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.015 away. White text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 3.08:1 |
| White text | 6.81:1 |
Values
| HEX | #285F88 |
| RGB | rgb(40, 95, 136) |
| HSL | hsl(206, 55%, 35%) |
| OKLCH | oklch(46.8% 0.088 243.9) |
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 #285F88 | 6.81:1 | AA | Lc -88.3 | Fine for body text |
| Black text on #285F88 | 3.08:1 | AA large text | Lc 20.8 | Dividers and decoration only |
| #285F88 text on white | 6.81:1 | AA | Lc 83.3 | Fine for body text |
| #285F88 text on black | 3.08:1 | AA large text | Lc -18.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#AAC4DB
oklch(80.8% 0.043 245.1)
-
Step 400
400
#7CA6C9
oklch(70.8% 0.069 244.1)
-
Step 500
500
#598FBB
oklch(63% 0.088 244.4)
-
Step 600
600
#3D79A7
oklch(55.6% 0.095 243.9)
-
Step 700
700 (this color)
#285F88
oklch(46.8% 0.088 243.9)
-
Step 800
800
#285374
oklch(42.7% 0.073 243.9)
-
Step 900
900
#25455E
oklch(37.8% 0.057 243.7)
-
Step 950
950
#162837
oklch(26.9% 0.037 244.9)
#285F88 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) | #4D608A | 0.041 |
| Deuteranopia (no green cones) | #3F5787 | 0.030 |
| Tritanopia (no blue cones) | #00696D | 0.065 |
| Achromatopsia (no color) | #5B5B5B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285F88
#285F88
oklch(46.8% 0.088 243.9)
- #7C4E1E
#7C4E1E
oklch(46.7% 0.088 63.5)
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 #285F88, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.015
- Denim #3B638C ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.029
- Peacock Blue #016795 ΔE 0.029
- YInMn Blue #415A77 ΔE 0.035
- Dusk Blue #26538D ΔE 0.039
- Dusky Blue #475F94 ΔE 0.039
- Deep Sea Blue #015482 ΔE 0.043
Use #285F88 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.