#775BCC
Closest named color: Light Indigo (#6D5ACF). oklch(55.6% 0.168 291.4), rgb(119, 91, 204).
Aa
White text reads best on this color (5.05:1).
About this color
#775BCC is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.168 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.017 away. White text reads best on it, at 5.05:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 4.15:1 |
| White text | 5.05:1 |
Values
| HEX | #775BCC |
| RGB | rgb(119, 91, 204) |
| HSL | hsl(255, 53%, 58%) |
| OKLCH | oklch(55.6% 0.168 291.4) |
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 #775BCC | 5.05:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #775BCC | 4.15:1 | AA large text | Lc 29.4 | Dividers and decoration only |
| #775BCC text on white | 5.05:1 | AA | Lc 74.6 | Content text, not long reading |
| #775BCC text on black | 4.15:1 | AA large text | Lc -27.1 | 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 600.
-
Step 50
50
#F5F4FC
oklch(97% 0.011 292)
-
Step 100
100
#E9E8F8
oklch(93.6% 0.021 288.9)
-
Step 200
200
#D9D5F3
oklch(88.5% 0.041 291.7)
-
Step 300
300
#C0B8EE
oklch(80.8% 0.076 291.4)
-
Step 400
400
#A292E6
oklch(70.7% 0.121 291.7)
-
Step 500
500
#8C75DE
oklch(63.1% 0.154 291.4)
-
Step 600
600 (this color)
#775BCC
oklch(55.6% 0.168 291.4)
-
Step 700
700
#644AB1
oklch(49.1% 0.157 291.1)
-
Step 800
800
#523D8F
oklch(42.7% 0.13 291.7)
-
Step 900
900
#433572
oklch(37.6% 0.101 291.3)
-
Step 950
950
#272043
oklch(27.1% 0.064 290.7)
#775BCC 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) | #2070D0 | 0.102 |
| Deuteranopia (no green cones) | #276CCA | 0.098 |
| Tritanopia (no blue cones) | #5F738B | 0.136 |
| Achromatopsia (no color) | #6F6F6F | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #775BCC
#775BCC
oklch(55.6% 0.168 291.4)
- #767900
#767900
oklch(55.5% 0.122 111.5)
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 #775BCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.017
- Slate Blue #6A5ACD ΔE 0.022
- Dark Periwinkle #665FD1 ΔE 0.028
- Iris #6258C4 ΔE 0.037
- Purpley #8756E4 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.052
- Medium Slate Blue #7B68EE ΔE 0.058
- Amethyst #9B5FC0 ΔE 0.067
Use #775BCC 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.