#755FBB
Closest named color: Slate Blue (#6A5ACD). oklch(55% 0.139 292.2), rgb(117, 95, 187).
Aa
White text reads best on this color (5.10:1).
About this color
#755FBB is a medium-dark, moderately saturated purple. In OKLCH its lightness is 55%, its chroma 0.139 and its hue 292°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Slate Blue (#6A5ACD), ΔE 0.037 away. White text reads best on it, at 5.10:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.139) |
| Temperature | in between |
| Nearest name | Slate Blue (#6A5ACD) |
| Black text | 4.11:1 |
| White text | 5.10:1 |
Values
| HEX | #755FBB |
| RGB | rgb(117, 95, 187) |
| HSL | hsl(254, 40%, 55%) |
| OKLCH | oklch(55% 0.139 292.2) |
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 #755FBB | 5.10:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #755FBB | 4.11:1 | AA large text | Lc 29.0 | Dividers and decoration only |
| #755FBB text on white | 5.10:1 | AA | Lc 75.1 | Fine for body text |
| #755FBB text on black | 4.11:1 | AA large text | Lc -26.7 | 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
#F5F4FB
oklch(97% 0.009 292.8)
-
Step 100
100
#EAE8F5
oklch(93.6% 0.018 293.1)
-
Step 200
200
#D9D5EF
oklch(88.4% 0.036 292.7)
-
Step 300
300
#C1BAE6
oklch(80.9% 0.062 292.3)
-
Step 400
400
#A295DA
oklch(70.7% 0.1 292.3)
-
Step 500
500
#8C79D0
oklch(63% 0.129 292.3)
-
Step 600
600 (this color)
#755FBB
oklch(55% 0.139 292.2)
-
Step 700
700
#6450A3
oklch(49.2% 0.129 292.1)
-
Step 800
800
#514284
oklch(42.7% 0.107 291.7)
-
Step 900
900
#43386A
oklch(37.7% 0.084 292)
-
Step 950
950
#27213E
oklch(27% 0.053 291.9)
#755FBB 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) | #3C6FBE | 0.079 |
| Deuteranopia (no green cones) | #406CB9 | 0.075 |
| Tritanopia (no blue cones) | #637184 | 0.114 |
| Achromatopsia (no color) | #6E6E6E | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #755FBB
#755FBB
oklch(55% 0.139 292.2)
- #747800
#747800
oklch(55.1% 0.122 112.1)
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 #755FBB, closest first.
No curated palette has a color within ΔE 0.04 of #755FBB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Blue #6A5ACD ΔE 0.037
- Light Indigo #6D5ACF ΔE 0.038
- Iris #6258C4 ΔE 0.040
- Deep Lavender #8D5EB7 ΔE 0.041
- Dark Periwinkle #665FD1 ΔE 0.041
- Amethyst #9B5FC0 ΔE 0.065
- Dark Lavender #856798 ΔE 0.069
- Deep Lilac #966EBD ΔE 0.070
Use #755FBB 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.