#8591AE
Closest named color: Silver Lake Blue (#778DA9). oklch(65.7% 0.045 267.5), rgb(133, 145, 174).
Aa
Black text reads best on this color (6.65:1).
About this color
#8591AE is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.045 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.024 away. Black text reads best on it, at 6.65:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.65:1 |
| White text | 3.15:1 |
Values
| HEX | #8591AE |
| RGB | rgb(133, 145, 174) |
| HSL | hsl(222, 20%, 60%) |
| OKLCH | oklch(65.7% 0.045 267.5) |
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 #8591AE | 3.15:1 | AA large text | Lc -64.1 | Content text, not long reading |
| Black text on #8591AE | 6.65:1 | AA | Lc 45.4 | Large or bold text, headings |
| #8591AE text on white | 3.15:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #8591AE text on black | 6.65:1 | AA | Lc -43.1 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E2
oklch(88.5% 0.013 266.7)
-
Step 300
300
#BAC0D0
oklch(80.8% 0.023 269.4)
-
Step 400
400
#97A0B8
oklch(70.7% 0.037 269.2)
-
Step 500
500 (this color)
#8591AE
oklch(65.7% 0.045 267.5)
-
Step 600
600
#667391
oklch(55.6% 0.049 266.5)
-
Step 700
700
#55607B
oklch(49% 0.046 267.4)
-
Step 800
800
#464F64
oklch(42.8% 0.037 266.7)
-
Step 900
900
#3B4152
oklch(37.7% 0.03 269.7)
-
Step 950
950
#222630
oklch(26.9% 0.02 267.9)
#8591AE 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) | #8893AF | 0.007 |
| Deuteranopia (no green cones) | #858FAD | 0.005 |
| Tritanopia (no blue cones) | #7B979B | 0.041 |
| Achromatopsia (no color) | #919191 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8591AE
#8591AE
oklch(65.7% 0.045 267.5)
- #9D9072
#9D9072
oklch(65.7% 0.045 87.3)
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 #8591AE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.024
- Cool Gray #8D99AE ΔE 0.026
- Blue Grey #758DA3 ΔE 0.030
- Light Slate Gray #778899 ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.044
- Faded Blue #658CBB ΔE 0.049
- Bluegrey #85A3B2 ΔE 0.050
Use #8591AE 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.