#8191CF
Closest named color: Perrywinkle (#8F8CE7). oklch(66.9% 0.094 272.5), rgb(129, 145, 207).
Aa
Black text reads best on this color (6.88:1).
About this color
#8191CF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.094 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.046 away. Black text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.88:1 |
| White text | 3.05:1 |
Values
| HEX | #8191CF |
| RGB | rgb(129, 145, 207) |
| HSL | hsl(228, 45%, 66%) |
| OKLCH | oklch(66.9% 0.094 272.5) |
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 #8191CF | 3.05:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #8191CF | 6.88:1 | AA | Lc 46.8 | Large or bold text, headings |
| #8191CF text on white | 3.05:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #8191CF text on black | 6.88:1 | AA | Lc -44.5 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D3D8EB
oklch(88.4% 0.027 274.1)
-
Step 300
300
#B6BFDF
oklch(80.8% 0.046 272.9)
-
Step 400
400
#919ECF
oklch(70.7% 0.073 272.9)
-
Step 500
500 (this color)
#8191CF
oklch(66.9% 0.094 272.5)
-
Step 600
600
#5F6EAF
oklch(55.5% 0.103 272.8)
-
Step 700
700
#4F5C97
oklch(49.1% 0.096 273)
-
Step 800
800
#404B7A
oklch(42.6% 0.079 272.6)
-
Step 900
900
#363F62
oklch(37.6% 0.061 272.2)
-
Step 950
950
#20253A
oklch(27% 0.04 273.2)
#8191CF 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) | #7D97D2 | 0.016 |
| Deuteranopia (no green cones) | #7691CE | 0.014 |
| Tritanopia (no blue cones) | #699DA7 | 0.084 |
| Achromatopsia (no color) | #949494 | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8191CF
#8191CF
oklch(66.9% 0.094 272.5)
- #A9934D
#A9934D
oklch(66.8% 0.094 92.3)
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 #8191CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.046
- Faded Blue #658CBB ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.053
- Silver Lake Blue #778DA9 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.062
- Soft Blue #6488EA ΔE 0.063
- Greyblue #77A1B5 ΔE 0.069
- Blue Grey #758DA3 ΔE 0.069
Use #8191CF 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.