#613E72
Closest named color: Dark Slate Blue (#483D8B). oklch(42.6% 0.093 314), rgb(97, 62, 114).
Aa
White text reads best on this color (8.60:1).
About this color
#613E72 is a dark, moderately saturated purple. In OKLCH its lightness is 43%, its chroma 0.093 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 8.60:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.44:1 |
| White text | 8.60:1 |
Values
| HEX | #613E72 |
| RGB | rgb(97, 62, 114) |
| HSL | hsl(280, 30%, 35%) |
| OKLCH | oklch(42.6% 0.093 314) |
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 #613E72 | 8.60:1 | AAA | Lc -93.9 | Preferred for body text |
| Black text on #613E72 | 2.44:1 | Fails | Lc 14.6 | Not readable |
| #613E72 text on white | 8.60:1 | AAA | Lc 89.4 | Fine for body text |
| #613E72 text on black | 2.44:1 | Fails | Lc -12.8 | Not readable |
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 800.
-
Step 50
50
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EEE7F1
oklch(93.6% 0.015 316)
-
Step 200
200
#E0D4E7
oklch(88.5% 0.029 313.3)
-
Step 300
300
#CEB7DA
oklch(81% 0.054 314.1)
-
Step 400
400
#B491C7
oklch(70.8% 0.086 313.5)
-
Step 500
500
#A274B8
oklch(63% 0.111 314.3)
-
Step 600
600
#8D5CA4
oklch(55.6% 0.12 314.3)
-
Step 700
700
#774B8D
oklch(49% 0.113 313.6)
-
Step 800
800 (this color)
#613E72
oklch(42.6% 0.093 314)
-
Step 900
900
#4F355C
oklch(37.6% 0.072 313.8)
-
Step 950
950
#2E1F36
oklch(26.8% 0.046 313.3)
#613E72 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) | #344A74 | 0.076 |
| Deuteranopia (no green cones) | #3D4D71 | 0.069 |
| Tritanopia (no blue cones) | #604552 | 0.063 |
| Achromatopsia (no color) | #4C4C4C | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #613E72
#613E72
oklch(42.6% 0.093 314)
- #395921
#395921
oklch(42.5% 0.091 133.8)
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 #613E72, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Twilight #4E518B ΔE 0.064
- Dusk #4E5481 ΔE 0.065
- Dusty Grape #545775 ΔE 0.071
- Rebecca Purple #663399 ΔE 0.073
- Blueberry #464196 ΔE 0.075
- Brownish Purple #76424E ΔE 0.077
- Purple Brown #673A3F ΔE 0.084
Use #613E72 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.