#603B69
Closest named color: Brownish Purple (#76424E). oklch(41.5% 0.087 319.6), rgb(96, 59, 105).
Aa
White text reads best on this color (9.02:1).
About this color
#603B69 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.087 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Brownish Purple (#76424E), ΔE 0.071 away. White text reads best on it, at 9.02:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.087) |
| Temperature | in between |
| Nearest name | Brownish Purple (#76424E) |
| Black text | 2.32:1 |
| White text | 9.02:1 |
Values
| HEX | #603B69 |
| RGB | rgb(96, 59, 105) |
| HSL | hsl(288, 28%, 32%) |
| OKLCH | oklch(41.5% 0.087 319.6) |
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 #603B69 | 9.02:1 | AAA | Lc -95.0 | Preferred for body text |
| Black text on #603B69 | 2.32:1 | Fails | Lc 13.4 | Not readable |
| #603B69 text on white | 9.02:1 | AAA | Lc 90.6 | Preferred for body text |
| #603B69 text on black | 2.32:1 | Fails | Lc -11.7 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EEE7F0
oklch(93.6% 0.014 318.7)
-
Step 200
200
#E2D4E5
oklch(88.6% 0.027 320.3)
-
Step 300
300
#CFB7D5
oklch(80.9% 0.049 319.5)
-
Step 400
400
#B790C1
oklch(70.6% 0.082 319.3)
-
Step 500
500
#A574B1
oklch(63.1% 0.105 319.6)
-
Step 600
600
#905C9C
oklch(55.6% 0.112 319.9)
-
Step 700
700
#7A4C86
oklch(49.2% 0.104 319.1)
-
Step 800
800 (this color)
#603B69
oklch(41.5% 0.087 319.6)
-
Step 900
900
#513558
oklch(37.6% 0.068 319.4)
-
Step 950
950
#301F34
oklch(27% 0.045 319.8)
#603B69 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) | #34466B | 0.076 |
| Deuteranopia (no green cones) | #3E4A68 | 0.069 |
| Tritanopia (no blue cones) | #60414D | 0.055 |
| Achromatopsia (no color) | #494949 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603B69
#603B69
oklch(41.5% 0.087 319.6)
- #315727
#315727
oklch(41.6% 0.087 139.4)
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 #603B69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brownish Purple #76424E ΔE 0.071
- Dark Slate Blue #483D8B ΔE 0.071
- Purple Brown #673A3F ΔE 0.071
- Dusk #4E5481 ΔE 0.075
- Twilight #4E518B ΔE 0.076
- Dusty Grape #545775 ΔE 0.077
- Rebecca Purple #663399 ΔE 0.085
- Blueberry #464196 ΔE 0.086
Use #603B69 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.