#8591C8
Closest named color: Faded Blue (#658CBB). oklch(66.8% 0.083 274.5), rgb(133, 145, 200).
Aa
Black text reads best on this color (6.88:1).
About this color
#8591C8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.083 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.048 away. Black text reads best on it, at 6.88:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.88:1 |
| White text | 3.05:1 |
Values
| HEX | #8591C8 |
| RGB | rgb(133, 145, 200) |
| HSL | hsl(229, 38%, 65%) |
| OKLCH | oklch(66.8% 0.083 274.5) |
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 #8591C8 | 3.05:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #8591C8 | 6.88:1 | AA | Lc 46.7 | Large or bold text, headings |
| #8591C8 text on white | 3.05:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #8591C8 text on black | 6.88:1 | AA | Lc -44.4 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F2
oklch(93.5% 0.012 276.1)
-
Step 200
200
#D4D8E8
oklch(88.4% 0.022 274.7)
-
Step 300
300
#B8BFDC
oklch(80.9% 0.042 274.7)
-
Step 400
400
#949ECA
oklch(70.7% 0.065 274.6)
-
Step 500
500 (this color)
#8591C8
oklch(66.8% 0.083 274.5)
-
Step 600
600
#636FA8
oklch(55.6% 0.09 274.1)
-
Step 700
700
#525C90
oklch(49% 0.084 274.6)
-
Step 800
800
#434C75
oklch(42.7% 0.069 273.7)
-
Step 900
900
#393F5E
oklch(37.6% 0.054 275.1)
-
Step 950
950
#212537
oklch(26.9% 0.034 274.3)
#8591C8 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) | #8096CA | 0.014 |
| Deuteranopia (no green cones) | #7B91C7 | 0.013 |
| Tritanopia (no blue cones) | #729CA4 | 0.075 |
| Achromatopsia (no color) | #949494 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8591C8
#8591C8
oklch(66.8% 0.083 274.5)
- #A59457
#A59457
oklch(66.8% 0.083 94.3)
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 #8591C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.054
- Heather #A484AC ΔE 0.061
- Blue Grey #758DA3 ΔE 0.061
- Greyblue #77A1B5 ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.064
Use #8591C8 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.