#515C4F
Closest named color: Dark Green Blue (#1F6357). oklch(46.1% 0.025 140.8), rgb(81, 92, 79).
Aa
White text reads best on this color (7.01:1).
About this color
#515C4F is a medium-dark close to neutral grey. In OKLCH its lightness is 46%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.053 away. White text reads best on it, at 7.01:1.
| Hue family | Neutrals |
| Lightness | medium-dark (46%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.99:1 |
| White text | 7.01:1 |
Values
| HEX | #515C4F |
| RGB | rgb(81, 92, 79) |
| HSL | hsl(111, 8%, 34%) |
| OKLCH | oklch(46.1% 0.025 140.8) |
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 #515C4F | 7.01:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #515C4F | 2.99:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #515C4F text on white | 7.01:1 | AAA | Lc 84.3 | Fine for body text |
| #515C4F text on black | 2.99:1 | Fails | Lc -17.7 | 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
#F5F6F5
oklch(97.2% 0.002 145.6)
-
Step 100
100
#E8EAE8
oklch(93.5% 0.003 145.5)
-
Step 200
200
#D7DAD6
oklch(88.5% 0.006 137.8)
-
Step 300
300
#BCC3BB
oklch(80.9% 0.013 141.8)
-
Step 400
400
#9AA499
oklch(70.7% 0.019 142.8)
-
Step 500
500
#828D80
oklch(63.1% 0.023 140.9)
-
Step 600
600
#6B7769
oklch(55.5% 0.026 141.2)
-
Step 700
700 (this color)
#515C4F
oklch(46.1% 0.025 140.8)
-
Step 800
800
#495247
oklch(42.7% 0.021 140)
-
Step 900
900
#3D443C
oklch(37.7% 0.016 141.7)
-
Step 950
950
#242823
oklch(27.1% 0.011 139.4)
#515C4F 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) | #5D5A4E | 0.019 |
| Deuteranopia (no green cones) | #5B5850 | 0.019 |
| Tritanopia (no blue cones) | #505B58 | 0.016 |
| Achromatopsia (no color) | #595959 | 0.025 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515C4F
#515C4F
oklch(46.1% 0.025 140.8)
- #5F5461
#5F5461
oklch(46.1% 0.025 321)
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 #515C4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.053
- Slate #516572 ΔE 0.054
- Dim Gray #696969 ΔE 0.065
- Dark Slate Gray #2F4F4F ΔE 0.066
- Pine #2B5D34 ΔE 0.068
- Dusty Grape #545775 ΔE 0.070
- YInMn Blue #415A77 ΔE 0.070
- Dark Aqua #05696B ΔE 0.070
Use #515C4F 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.