#8591C2
Closest named color: Silver Lake Blue (#778DA9). oklch(66.5% 0.074 273.6), rgb(133, 145, 194).
Aa
Black text reads best on this color (6.82:1).
About this color
#8591C2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.074 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.043 away. Black text reads best on it, at 6.82:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.82:1 |
| White text | 3.07:1 |
Values
| HEX | #8591C2 |
| RGB | rgb(133, 145, 194) |
| HSL | hsl(228, 33%, 64%) |
| OKLCH | oklch(66.5% 0.074 273.6) |
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 #8591C2 | 3.07:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #8591C2 | 6.82:1 | AA | Lc 46.4 | Large or bold text, headings |
| #8591C2 text on white | 3.07:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #8591C2 text on black | 6.82:1 | AA | Lc -44.1 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7E9F1
oklch(93.5% 0.011 274.9)
-
Step 200
200
#D5D8E7
oklch(88.4% 0.021 276.9)
-
Step 300
300
#B9C0D9
oklch(81% 0.036 273.2)
-
Step 400
400
#959FC6
oklch(70.8% 0.058 273.6)
-
Step 500
500 (this color)
#8591C2
oklch(66.5% 0.074 273.6)
-
Step 600
600
#6470A3
oklch(55.6% 0.081 273.4)
-
Step 700
700
#535D8B
oklch(49% 0.075 274)
-
Step 800
800
#444C71
oklch(42.6% 0.062 274.1)
-
Step 900
900
#39405C
oklch(37.8% 0.049 273.1)
-
Step 950
950
#222536
oklch(27% 0.032 276.3)
#8591C2 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) | #8296C4 | 0.013 |
| Deuteranopia (no green cones) | #7E91C1 | 0.010 |
| Tritanopia (no blue cones) | #759AA2 | 0.066 |
| Achromatopsia (no color) | #939393 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8591C2
#8591C2
oklch(66.5% 0.074 273.6)
- #A3935E
#A3935E
oklch(66.5% 0.074 93.2)
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 #8591C2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.043
- Cool Gray #8D99AE ΔE 0.044
- Faded Blue #658CBB ΔE 0.046
- Blue Grey #758DA3 ΔE 0.053
- Greyblue #77A1B5 ΔE 0.056
- Heather #A484AC ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.062
Use #8591C2 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.