#603477
Closest named color: Dark Slate Blue (#483D8B). oklch(41.1% 0.117 312.7), rgb(96, 52, 119).
Aa
White text reads best on this color (9.31:1).
About this color
#603477 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.117 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.056 away. White text reads best on it, at 9.31:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.117) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.25:1 |
| White text | 9.31:1 |
Values
| HEX | #603477 |
| RGB | rgb(96, 52, 119) |
| HSL | hsl(279, 39%, 34%) |
| OKLCH | oklch(41.1% 0.117 312.7) |
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 #603477 | 9.31:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #603477 | 2.25:1 | Fails | Lc 12.8 | Not readable |
| #603477 text on white | 9.31:1 | AAA | Lc 91.2 | Preferred for body text |
| #603477 text on black | 2.25:1 | Fails | Lc -11.2 | 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
#F8F4FA
oklch(97.2% 0.009 314.8)
-
Step 100
100
#EEE6F4
oklch(93.5% 0.021 311.1)
-
Step 200
200
#E2D2EB
oklch(88.4% 0.038 313.6)
-
Step 300
300
#D0B4E1
oklch(80.9% 0.069 312.6)
-
Step 400
400
#B88CD1
oklch(70.6% 0.109 312.8)
-
Step 500
500
#A66EC5
oklch(63.1% 0.139 312.6)
-
Step 600
600
#9154B2
oklch(55.6% 0.152 312.4)
-
Step 700
700
#7C4499
oklch(49.2% 0.141 312.8)
-
Step 800
800 (this color)
#603477
oklch(41.1% 0.117 312.7)
-
Step 900
900
#523164
oklch(37.7% 0.092 312.6)
-
Step 950
950
#301D3A
oklch(26.9% 0.058 313.2)
#603477 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) | #224579 | 0.101 |
| Deuteranopia (no green cones) | #314875 | 0.090 |
| Tritanopia (no blue cones) | #5E3F50 | 0.079 |
| Achromatopsia (no color) | #474747 | 0.117 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #603477
#603477
oklch(41.1% 0.117 312.7)
- #305700
#305700
oklch(41.1% 0.116 132.9)
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 #603477, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.056
- Rebecca Purple #663399 ΔE 0.057
- Blueberry #464196 ΔE 0.072
- Twilight #4E518B ΔE 0.080
- Grape Purple #5D1451 ΔE 0.085
- Dusk #4E5481 ΔE 0.086
- Purple #800080 ΔE 0.088
- Rich Purple #720058 ΔE 0.090
Use #603477 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.