#535781
Closest named color: Dusk (#4E5481). oklch(47.1% 0.068 279.3), rgb(83, 87, 129).
Aa
White text reads best on this color (6.88:1).
About this color
#535781 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.068 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.012 away. White text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.04:1 |
| White text | 6.88:1 |
Values
| HEX | #535781 |
| RGB | rgb(83, 87, 129) |
| HSL | hsl(235, 22%, 42%) |
| OKLCH | oklch(47.1% 0.068 279.3) |
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 #535781 | 6.88:1 | AA | Lc -88.8 | Fine for body text |
| Black text on #535781 | 3.04:1 | AA large text | Lc 20.2 | Dividers and decoration only |
| #535781 text on white | 6.88:1 | AA | Lc 83.8 | Fine for body text |
| #535781 text on black | 3.04:1 | AA large text | Lc -18.2 | 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 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BCBFD6
oklch(81% 0.032 279.7)
-
Step 400
400
#999EC2
oklch(70.8% 0.053 278.8)
-
Step 500
500
#8086B2
oklch(63.2% 0.066 278.3)
-
Step 600
600
#6A6F9E
oklch(55.6% 0.073 279.1)
-
Step 700
700 (this color)
#535781
oklch(47.1% 0.068 279.3)
-
Step 800
800
#484C6E
oklch(42.8% 0.057 278.5)
-
Step 900
900
#3C3F59
oklch(37.6% 0.045 278.9)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#535781 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) | #4A5C83 | 0.018 |
| Deuteranopia (no green cones) | #475880 | 0.017 |
| Tritanopia (no blue cones) | #465F66 | 0.060 |
| Achromatopsia (no color) | #5A5A5A | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #535781
#535781
oklch(47.1% 0.068 279.3)
- #645C2C
#645C2C
oklch(47.1% 0.068 100)
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 #535781, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.012
- Dusty Grape #545775 ΔE 0.020
- Twilight #4E518B ΔE 0.028
- YInMn Blue #415A77 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.039
- Denim #3B638C ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.046
Use #535781 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.