#285A74
Closest named color: YInMn Blue (#415A77). oklch(44.5% 0.068 233.9), rgb(40, 90, 116).
Aa
White text reads best on this color (7.48:1).
About this color
#285A74 is a dark, muted blue. In OKLCH its lightness is 45%, its chroma 0.068 and its hue 234°. 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 7.48:1.
| Hue family | Blues |
| Lightness | dark (45%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | YInMn Blue (#415A77) |
| Black text | 2.80:1 |
| White text | 7.48:1 |
Values
| HEX | #285A74 |
| RGB | rgb(40, 90, 116) |
| HSL | hsl(201, 49%, 31%) |
| OKLCH | oklch(44.5% 0.068 233.9) |
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 #285A74 | 7.48:1 | AAA | Lc -90.7 | Preferred for body text |
| Black text on #285A74 | 2.80:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #285A74 text on white | 7.48:1 | AAA | Lc 85.8 | Fine for body text |
| #285A74 text on black | 2.80:1 | Fails | Lc -16.2 | 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
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A8C6D7
oklch(81% 0.04 232.8)
-
Step 400
400
#79A8C3
oklch(70.8% 0.064 234.1)
-
Step 500
500
#5492B4
oklch(63.2% 0.082 234.1)
-
Step 600
600
#367C9F
oklch(55.7% 0.088 233.3)
-
Step 700
700
#286888
oklch(49.1% 0.082 233.8)
-
Step 800
800 (this color)
#285A74
oklch(44.5% 0.068 233.9)
-
Step 900
900
#22465A
oklch(37.7% 0.054 235)
-
Step 950
950
#152934
oklch(26.9% 0.033 233.9)
#285A74 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) | #4D5975 | 0.043 |
| Deuteranopia (no green cones) | #435174 | 0.038 |
| Tritanopia (no blue cones) | #006163 | 0.046 |
| Achromatopsia (no color) | #555555 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #285A74
#285A74
oklch(44.5% 0.068 233.9)
- #71492E
#71492E
oklch(44.4% 0.068 54.1)
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 #285A74, 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 0.033
- Light Navy Blue #2E5A88 ΔE 0.035
- Deep Sea Blue #015482 ΔE 0.040
- Light Navy #155084 ΔE 0.048
- Denim #3B638C ΔE 0.050
- Dusk Blue #26538D ΔE 0.051
- Deep Teal #00555A ΔE 0.053
Use #285A74 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.