#515E7E
Closest named color: Dusty Grape (#545775). oklch(48.4% 0.054 267.3), rgb(81, 94, 126).
Aa
White text reads best on this color (6.45:1).
About this color
#515E7E is a medium-dark, muted blue. In OKLCH its lightness is 48%, its chroma 0.054 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.022 away. White text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.25:1 |
| White text | 6.45:1 |
Values
| HEX | #515E7E |
| RGB | rgb(81, 94, 126) |
| HSL | hsl(223, 22%, 41%) |
| OKLCH | oklch(48.4% 0.054 267.3) |
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 #515E7E | 6.45:1 | AA | Lc -87.1 | Fine for body text |
| Black text on #515E7E | 3.25:1 | AA large text | Lc 22.0 | Dividers and decoration only |
| #515E7E text on white | 6.45:1 | AA | Lc 82.0 | Fine for body text |
| #515E7E text on black | 3.25:1 | AA large text | Lc -19.9 | 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
#E7EAEF
oklch(93.6% 0.007 260.7)
-
Step 200
200
#D5D9E3
oklch(88.5% 0.014 268.5)
-
Step 300
300
#B9C1D2
oklch(81% 0.026 265.6)
-
Step 400
400
#95A0BC
oklch(70.7% 0.043 268.4)
-
Step 500
500
#7B89AB
oklch(63.1% 0.054 267.4)
-
Step 600
600
#647396
oklch(55.7% 0.058 266.5)
-
Step 700
700 (this color)
#515E7E
oklch(48.4% 0.054 267.3)
-
Step 800
800
#444E68
oklch(42.6% 0.045 268.1)
-
Step 900
900
#394155
oklch(37.6% 0.036 267.7)
-
Step 950
950
#222632
oklch(27% 0.023 270.4)
#515E7E 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) | #54607F | 0.008 |
| Deuteranopia (no green cones) | #4F5C7D | 0.007 |
| Tritanopia (no blue cones) | #446469 | 0.048 |
| Achromatopsia (no color) | #5E5E5E | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515E7E
#515E7E
oklch(48.4% 0.054 267.3)
- #6C5D3A
#6C5D3A
oklch(48.4% 0.054 87.2)
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 #515E7E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.022
- YInMn Blue #415A77 ΔE 0.028
- Dusk #4E5481 ΔE 0.032
- Denim #3B638C ΔE 0.033
- Slate #516572 ΔE 0.033
- Dusky Blue #475F94 ΔE 0.037
- Denim Blue #3B5B92 ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.048
Use #515E7E 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.