#285E7F
Closest named color: Light Navy Blue (#2E5A88). oklch(46.1% 0.078 238.6), rgb(40, 94, 127).
Aa
White text reads best on this color (7.00:1).
About this color
#285E7F is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.078 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.022 away. White text reads best on it, at 7.00:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #285E7F |
| RGB | rgb(40, 94, 127) |
| HSL | hsl(203, 52%, 33%) |
| OKLCH | oklch(46.1% 0.078 238.6) |
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 #285E7F | 7.00:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #285E7F | 2.99:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #285E7F text on white | 7.00:1 | AAA | Lc 84.0 | Fine for body text |
| #285E7F text on black | 2.99:1 | Fails | Lc -17.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300
#ABC5D7
oklch(81% 0.038 238.2)
-
Step 400
400
#7DA7C3
oklch(70.8% 0.061 237.9)
-
Step 500
500
#5B90B3
oklch(63% 0.077 238.6)
-
Step 600
600
#407A9F
oklch(55.6% 0.084 238.7)
-
Step 700
700 (this color)
#285E7F
oklch(46.1% 0.078 238.6)
-
Step 800
800
#2A546F
oklch(42.8% 0.065 239)
-
Step 900
900
#264559
oklch(37.6% 0.05 238.4)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#285E7F 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) | #4F5E81 | 0.044 |
| Deuteranopia (no green cones) | #43557E | 0.036 |
| Tritanopia (no blue cones) | #006669 | 0.054 |
| Achromatopsia (no color) | #595959 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285E7F
#285E7F
oklch(46.1% 0.078 238.6)
- #794D28
#794D28
oklch(46.2% 0.079 59)
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 #285E7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.027
- Denim #3B638C ΔE 0.032
- Peacock Blue #016795 ΔE 0.040
- Denim Blue #3B5B92 ΔE 0.040
- Deep Sea Blue #015482 ΔE 0.041
- Petrol #005F6A ΔE 0.044
- Dusk Blue #26538D ΔE 0.045
Use #285E7F 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.