#515871
Closest named color: Dusty Grape (#545775). oklch(46.4% 0.042 272.5), rgb(81, 88, 113).
Aa
White text reads best on this color (7.03:1).
About this color
#515871 is a medium-dark, muted blue. In OKLCH its lightness is 46%, its chroma 0.042 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.009 away. White text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 2.98:1 |
| White text | 7.03:1 |
Values
| HEX | #515871 |
| RGB | rgb(81, 88, 113) |
| HSL | hsl(227, 16%, 38%) |
| OKLCH | oklch(46.4% 0.042 272.5) |
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 #515871 | 7.03:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #515871 | 2.98:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #515871 text on white | 7.03:1 | AAA | Lc 84.4 | Fine for body text |
| #515871 text on black | 2.98:1 | Fails | Lc -17.6 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BCC0CE
oklch(80.9% 0.02 273.2)
-
Step 400
400
#99A0B5
oklch(70.7% 0.032 270.9)
-
Step 500
500
#8188A3
oklch(63% 0.041 273.7)
-
Step 600
600
#6A728E
oklch(55.6% 0.045 272.4)
-
Step 700
700 (this color)
#515871
oklch(46.4% 0.042 272.5)
-
Step 800
800
#484E62
oklch(42.6% 0.034 271.8)
-
Step 900
900
#3D4150
oklch(37.8% 0.026 273.4)
-
Step 950
950
#23262F
oklch(26.9% 0.017 270.7)
#515871 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) | #515A72 | 0.006 |
| Deuteranopia (no green cones) | #4E5870 | 0.005 |
| Tritanopia (no blue cones) | #495D60 | 0.038 |
| Achromatopsia (no color) | #595959 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515871
#515871
oklch(46.4% 0.042 272.5)
- #61593E
#61593E
oklch(46.4% 0.042 93.6)
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 #515871, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.009
- YInMn Blue #415A77 ΔE 0.023
- Dusk #4E5481 ΔE 0.032
- Slate #516572 ΔE 0.040
- Denim #3B638C ΔE 0.051
- Twilight #4E518B ΔE 0.053
- Light Navy Blue #2E5A88 ΔE 0.054
- Dusky Blue #475F94 ΔE 0.056
Use #515871 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.