#600188
Closest named color: Indigo (#4B0082). oklch(37.6% 0.188 310.8), rgb(96, 1, 136).
Aa
White text reads best on this color (11.30:1).
About this color
#600188 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.188 and its hue 311°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.048 away. White text reads best on it, at 11.30:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #600188 |
| RGB | rgb(96, 1, 136) |
| HSL | hsl(282, 99%, 27%) |
| OKLCH | oklch(37.6% 0.188 310.8) |
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 #600188 | 11.30:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #600188 | 1.85:1 | Fails | Lc 9.9 | Not readable |
| #600188 text on white | 11.30:1 | AAA | Lc 94.1 | Preferred for body text |
| #600188 text on black | 1.85:1 | Fails | Lc -8.5 | 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 900.
-
Step 50
50
#F9F2FF
oklch(97% 0.019 309.8)
-
Step 100
100
#F3E3FF
oklch(93.7% 0.041 310.9)
-
Step 200
200
#E9CCFF
oklch(88.6% 0.075 310.4)
-
Step 300
300
#DBA8FF
oklch(80.9% 0.131 310.5)
-
Step 400
400
#CA72FF
oklch(70.7% 0.211 311)
-
Step 500
500
#BD3BFF
oklch(63.1% 0.274 310.9)
-
Step 600
600
#A600E7
oklch(55.6% 0.28 310.9)
-
Step 700
700
#8C00C4
oklch(49.1% 0.247 310.8)
-
Step 800
800
#7300A2
oklch(42.6% 0.215 310.8)
-
Step 900
900 (this color)
#600188
oklch(37.6% 0.188 310.8)
-
Step 950
950
#380A50
oklch(26.9% 0.119 310.3)
#600188 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) | #00378B | 0.149 |
| Deuteranopia (no green cones) | #003C86 | 0.152 |
| Tritanopia (no blue cones) | #5A2E4E | 0.124 |
| Achromatopsia (no color) | #3A3A3A | 0.190 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #600188
#600188
oklch(37.6% 0.188 310.8)
- #2D4B00
#2D4B00
oklch(37.5% 0.102 130.8)
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 #600188, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.048
- Royal Purple #4B006E ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.070
- Rebecca Purple #663399 ΔE 0.074
- Purple #800080 ΔE 0.074
- Imperial Purple #480CA8 ΔE 0.080
- Grape #7209B7 ΔE 0.085
- Dark Magenta #8B008B ΔE 0.095
Use #600188 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.