#7556BF
Closest named color: Light Indigo (#6D5ACF). oklch(53.7% 0.158 294), rgb(117, 86, 191).
Aa
White text reads best on this color (5.46:1).
About this color
#7556BF is a medium-dark, vivid purple. In OKLCH its lightness is 54%, its chroma 0.158 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Indigo (#6D5ACF), ΔE 0.028 away. White text reads best on it, at 5.46:1.
| Hue family | Purples |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Light Indigo (#6D5ACF) |
| Black text | 3.83:1 |
| White text | 5.46:1 |
Values
| HEX | #7556BF |
| RGB | rgb(117, 86, 191) |
| HSL | hsl(258, 45%, 54%) |
| OKLCH | oklch(53.7% 0.158 294) |
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 #7556BF | 5.46:1 | AA | Lc -82.3 | Fine for body text |
| Black text on #7556BF | 3.83:1 | AA large text | Lc 27.1 | Dividers and decoration only |
| #7556BF text on white | 5.46:1 | AA | Lc 77.0 | Fine for body text |
| #7556BF text on black | 3.83:1 | AA large text | Lc -24.7 | 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
#F6F4FB
oklch(97.1% 0.009 299.2)
-
Step 100
100
#EAE7F7
oklch(93.5% 0.022 294.6)
-
Step 200
200
#DAD5F1
oklch(88.6% 0.038 293.8)
-
Step 300
300
#C3B8EB
oklch(80.9% 0.072 294.6)
-
Step 400
400
#A592E1
oklch(70.7% 0.115 294.3)
-
Step 500
500
#8F75D8
oklch(63% 0.146 293.9)
-
Step 600
600 (this color)
#7556BF
oklch(53.7% 0.158 294)
-
Step 700
700
#674BAA
oklch(49.1% 0.146 293.9)
-
Step 800
800
#543E8A
oklch(42.7% 0.122 294)
-
Step 900
900
#45356E
oklch(37.6% 0.095 294.3)
-
Step 950
950
#282041
oklch(27% 0.06 293.1)
#7556BF 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) | #256AC3 | 0.101 |
| Deuteranopia (no green cones) | #2D68BD | 0.096 |
| Tritanopia (no blue cones) | #626C82 | 0.127 |
| Achromatopsia (no color) | #696969 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7556BF
#7556BF
oklch(53.7% 0.158 294)
- #6D7500
#6D7500
oklch(53.7% 0.121 114.4)
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 #7556BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Indigo #6D5ACF ΔE 0.028
- Slate Blue #6A5ACD ΔE 0.028
- Iris #6258C4 ΔE 0.031
- Dark Periwinkle #665FD1 ΔE 0.039
- Deep Lavender #8D5EB7 ΔE 0.050
- Bluey Purple #6241C7 ΔE 0.062
- Purpley #8756E4 ΔE 0.064
- Amethyst #9B5FC0 ΔE 0.072
Use #7556BF 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.