#515782
Closest named color: Dusk (#4E5481). oklch(47% 0.07 277.3), rgb(81, 87, 130).
Aa
White text reads best on this color (6.91:1).
About this color
#515782 is a medium-dark, muted blue. In OKLCH its lightness is 47%, its chroma 0.070 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk (#4E5481), ΔE 0.010 away. White text reads best on it, at 6.91:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Dusk (#4E5481) |
| Black text | 3.03:1 |
| White text | 6.91:1 |
Values
| HEX | #515782 |
| RGB | rgb(81, 87, 130) |
| HSL | hsl(233, 23%, 41%) |
| OKLCH | oklch(47% 0.07 277.3) |
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 #515782 | 6.91:1 | AA | Lc -88.9 | Fine for body text |
| Black text on #515782 | 3.03:1 | AA large text | Lc 20.1 | Dividers and decoration only |
| #515782 text on white | 6.91:1 | AA | Lc 83.9 | Fine for body text |
| #515782 text on black | 3.03:1 | AA large text | Lc -18.1 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E6
oklch(88.5% 0.019 279.5)
-
Step 300
300
#BBBFD7
oklch(80.9% 0.034 278.1)
-
Step 400
400
#989EC3
oklch(70.7% 0.054 277.7)
-
Step 500
500
#7F86B4
oklch(63.2% 0.07 277.5)
-
Step 600
600
#686F9F
oklch(55.5% 0.075 277.3)
-
Step 700
700 (this color)
#515782
oklch(47% 0.07 277.3)
-
Step 800
800
#474C6F
oklch(42.7% 0.058 277.4)
-
Step 900
900
#3B3F5A
oklch(37.6% 0.047 277.4)
-
Step 950
950
#232534
oklch(26.9% 0.028 278.4)
#515782 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) | #495C84 | 0.017 |
| Deuteranopia (no green cones) | #465881 | 0.016 |
| Tritanopia (no blue cones) | #435F66 | 0.062 |
| Achromatopsia (no color) | #5A5A5A | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515782
#515782
oklch(47% 0.07 277.3)
- #665B2A
#665B2A
oklch(47.1% 0.07 96.9)
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 #515782, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk #4E5481 ΔE 0.010
- Dusty Grape #545775 ΔE 0.022
- Twilight #4E518B ΔE 0.026
- YInMn Blue #415A77 ΔE 0.032
- Dusky Blue #475F94 ΔE 0.034
- Denim Blue #3B5B92 ΔE 0.036
- Denim #3B638C ΔE 0.041
- Light Navy Blue #2E5A88 ΔE 0.043
Use #515782 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.