#285D96
Closest named color: Denim Blue (#3B5B92). oklch(47.2% 0.108 252.5), rgb(40, 93, 150).
Aa
White text reads best on this color (6.78:1).
About this color
#285D96 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.108 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.018 away. White text reads best on it, at 6.78:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.108) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.09:1 |
| White text | 6.78:1 |
Values
| HEX | #285D96 |
| RGB | rgb(40, 93, 150) |
| HSL | hsl(211, 58%, 37%) |
| OKLCH | oklch(47.2% 0.108 252.5) |
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 #285D96 | 6.78:1 | AA | Lc -88.1 | Fine for body text |
| Black text on #285D96 | 3.09:1 | AA large text | Lc 20.9 | Dividers and decoration only |
| #285D96 text on white | 6.78:1 | AA | Lc 83.1 | Fine for body text |
| #285D96 text on black | 3.09:1 | AA large text | Lc -18.8 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C3E2
oklch(80.8% 0.052 253)
-
Step 400
400
#7BA4D4
oklch(70.7% 0.084 252.9)
-
Step 500
500
#588DC9
oklch(63.2% 0.107 252.6)
-
Step 600
600
#3C76B5
oklch(55.6% 0.116 252.3)
-
Step 700
700 (this color)
#285D96
oklch(47.2% 0.108 252.5)
-
Step 800
800
#27517F
oklch(42.8% 0.09 252.5)
-
Step 900
900
#244366
oklch(37.7% 0.071 252.7)
-
Step 950
950
#16283C
oklch(27.2% 0.044 252.1)
#285D96 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) | #436198 | 0.031 |
| Deuteranopia (no green cones) | #325695 | 0.020 |
| Tritanopia (no blue cones) | #006A72 | 0.082 |
| Achromatopsia (no color) | #5B5B5B | 0.108 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285D96
#285D96
oklch(47.2% 0.108 252.5)
- #7D5000
#7D5000
oklch(47.1% 0.101 72.2)
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 #285D96, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.018
- Light Navy Blue #2E5A88 ΔE 0.023
- Dusk Blue #26538D ΔE 0.031
- Peacock Blue #016795 ΔE 0.032
- Denim #3B638C ΔE 0.033
- Dusky Blue #475F94 ΔE 0.034
- Deep Sea Blue #015482 ΔE 0.048
- Light Navy #155084 ΔE 0.050
Use #285D96 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.