#615E71
Closest named color: Slate (#516572). oklch(49.2% 0.03 292.5), rgb(97, 94, 113).
Aa
White text reads best on this color (6.27:1).
About this color
#615E71 is a medium-dark, muted purple. In OKLCH its lightness is 49%, its chroma 0.030 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate (#516572), ΔE 0.029 away. White text reads best on it, at 6.27:1.
| Hue family | Purples |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.030) |
| Temperature | in between |
| Nearest name | Slate (#516572) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #615E71 |
| RGB | rgb(97, 94, 113) |
| HSL | hsl(249, 9%, 41%) |
| OKLCH | oklch(49.2% 0.03 292.5) |
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 #615E71 | 6.27:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #615E71 | 3.34:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #615E71 text on white | 6.27:1 | AA | Lc 81.3 | Fine for body text |
| #615E71 text on black | 3.34:1 | AA large text | Lc -20.6 | 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
#EAE9EC
oklch(93.6% 0.004 301.4)
-
Step 200
200
#D9D8DE
oklch(88.5% 0.008 293.9)
-
Step 300
300
#C0BFC9
oklch(80.8% 0.014 290.7)
-
Step 400
400
#A19EAE
oklch(70.7% 0.023 294.4)
-
Step 500
500
#8A869A
oklch(63% 0.03 294.7)
-
Step 600
600
#737085
oklch(55.5% 0.032 291.9)
-
Step 700
700 (this color)
#615E71
oklch(49.2% 0.03 292.5)
-
Step 800
800
#4F4D5C
oklch(42.8% 0.025 291.4)
-
Step 900
900
#42404B
oklch(37.8% 0.019 293.8)
-
Step 950
950
#26252C
oklch(26.8% 0.013 292.1)
#615E71 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) | #5A6072 | 0.011 |
| Deuteranopia (no green cones) | #5A6070 | 0.012 |
| Tritanopia (no blue cones) | #5E6164 | 0.026 |
| Achromatopsia (no color) | #606060 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615E71
#615E71
oklch(49.2% 0.03 292.5)
- #61634F
#61634F
oklch(49.2% 0.031 112.2)
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 #615E71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate #516572 ΔE 0.029
- Dusty Grape #545775 ΔE 0.033
- Dim Gray #696969 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.050
- Dusk #4E5481 ΔE 0.055
- Denim #3B638C ΔE 0.061
- Dusky Blue #475F94 ΔE 0.065
- Dull Purple #84597E ΔE 0.065
Use #615E71 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.