#285C74
Closest named color: YInMn Blue (#415A77). oklch(45% 0.068 230.9), rgb(40, 92, 116).
Aa
White text reads best on this color (7.30:1).
About this color
#285C74 is a medium-dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.068 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is YInMn Blue (#415A77), ΔE 0.028 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #285C74 |
| RGB | rgb(40, 92, 116) |
| HSL | hsl(199, 49%, 31%) |
| OKLCH | oklch(45% 0.068 230.9) |
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 #285C74 | 7.30:1 | AAA | Lc -90.1 | Preferred for body text |
| Black text on #285C74 | 2.87:1 | Fails | Lc 18.8 | Dividers and decoration only |
| #285C74 text on white | 7.30:1 | AAA | Lc 85.2 | Fine for body text |
| #285C74 text on black | 2.87:1 | Fails | Lc -16.8 | 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 800.
-
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
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A8C6D6
oklch(81% 0.039 231.2)
-
Step 400
400
#78A8C1
oklch(70.6% 0.063 231.5)
-
Step 500
500
#5292B2
oklch(63% 0.082 231.8)
-
Step 600
600
#347C9D
oklch(55.5% 0.087 231.2)
-
Step 700
700
#256986
oklch(49.1% 0.081 230.1)
-
Step 800
800 (this color)
#285C74
oklch(45% 0.068 230.9)
-
Step 900
900
#214758
oklch(37.8% 0.052 229.5)
-
Step 950
950
#142934
oklch(26.9% 0.034 232.8)
#285C74 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) | #505B75 | 0.047 |
| Deuteranopia (no green cones) | #455374 | 0.040 |
| Tritanopia (no blue cones) | #006364 | 0.044 |
| Achromatopsia (no color) | #565656 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285C74
#285C74
oklch(45% 0.068 230.9)
- #734A32
#734A32
oklch(45% 0.067 50.7)
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 #285C74, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- YInMn Blue #415A77 ΔE 0.028
- Petrol #005F6A ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.037
- Deep Sea Blue #015482 ΔE 0.044
- Denim #3B638C ΔE 0.048
- Dark Aqua #05696B ΔE 0.050
- Dusty Grape #545775 ΔE 0.054
- Deep Teal #00555A ΔE 0.054
Use #285C74 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.