#285D83
Closest named color: Light Navy Blue (#2E5A88). oklch(46.1% 0.084 242.8), rgb(40, 93, 131).
Aa
White text reads best on this color (7.03:1).
About this color
#285D83 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.084 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.014 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #285D83 |
| RGB | rgb(40, 93, 131) |
| HSL | hsl(205, 53%, 34%) |
| OKLCH | oklch(46.1% 0.084 242.8) |
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 #285D83 | 7.03:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #285D83 | 2.98:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #285D83 text on white | 7.03:1 | AAA | Lc 84.2 | Fine for body text |
| #285D83 text on black | 2.98:1 | Fails | Lc -17.8 | 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
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CDDBE7
oklch(88.4% 0.022 243.8)
-
Step 300
300
#ABC4D9
oklch(80.8% 0.04 243.6)
-
Step 400
400
#7DA6C6
oklch(70.7% 0.065 242.3)
-
Step 500
500
#5B8FB8
oklch(63% 0.083 243.4)
-
Step 600
600
#4079A4
oklch(55.6% 0.09 243.2)
-
Step 700
700 (this color)
#285D83
oklch(46.1% 0.084 242.8)
-
Step 800
800
#2A5372
oklch(42.7% 0.069 243.3)
-
Step 900
900
#26455C
oklch(37.7% 0.054 242.2)
-
Step 950
950
#172836
oklch(26.9% 0.035 244.4)
#285D83 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) | #4C5E85 | 0.041 |
| Deuteranopia (no green cones) | #3F5582 | 0.031 |
| Tritanopia (no blue cones) | #00666A | 0.060 |
| Achromatopsia (no color) | #595959 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285D83
#285D83
oklch(46.1% 0.084 242.8)
- #794D21
#794D21
oklch(46.1% 0.084 62.9)
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 #285D83, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.014
- YInMn Blue #415A77 ΔE 0.030
- Denim #3B638C ΔE 0.030
- Denim Blue #3B5B92 ΔE 0.034
- Peacock Blue #016795 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.038
- Dusk Blue #26538D ΔE 0.038
- Light Navy #155084 ΔE 0.045
Use #285D83 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.