#285D98
Closest named color: Denim Blue (#3B5B92). oklch(47.3% 0.111 253.3), rgb(40, 93, 152).
Aa
White text reads best on this color (6.75:1).
About this color
#285D98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.111 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Denim Blue (#3B5B92), ΔE 0.019 away. White text reads best on it, at 6.75:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Denim Blue (#3B5B92) |
| Black text | 3.10:1 |
| White text | 6.75:1 |
Values
| HEX | #285D98 |
| RGB | rgb(40, 93, 152) |
| HSL | hsl(212, 58%, 38%) |
| OKLCH | oklch(47.3% 0.111 253.3) |
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 #285D98 | 6.75:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #285D98 | 3.10:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #285D98 text on white | 6.75:1 | AA | Lc 83.0 | Fine for body text |
| #285D98 text on black | 3.10:1 | AA large text | Lc -18.9 | 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
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E3
oklch(80.8% 0.054 253.8)
-
Step 400
400
#7AA4D5
oklch(70.7% 0.086 252.8)
-
Step 500
500
#578CCA
oklch(63% 0.11 253.3)
-
Step 600
600
#3B75B7
oklch(55.5% 0.12 253.3)
-
Step 700
700 (this color)
#285D98
oklch(47.3% 0.111 253.3)
-
Step 800
800
#275080
oklch(42.6% 0.093 253.9)
-
Step 900
900
#244367
oklch(37.7% 0.072 253.4)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#285D98 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) | #42619A | 0.030 |
| Deuteranopia (no green cones) | #315797 | 0.017 |
| Tritanopia (no blue cones) | #006B73 | 0.085 |
| Achromatopsia (no color) | #5B5B5B | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285D98
#285D98
oklch(47.3% 0.111 253.3)
- #7D5100
#7D5100
oklch(47.3% 0.101 73.2)
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 #285D98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim Blue #3B5B92 ΔE 0.019
- Light Navy Blue #2E5A88 ΔE 0.026
- Dusk Blue #26538D ΔE 0.032
- Peacock Blue #016795 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.034
- Denim #3B638C ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.050
- Light Navy #155084 ΔE 0.051
Use #285D98 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.