#858EAE
Closest named color: Silver Lake Blue (#778DA9). oklch(65.1% 0.049 272.7), rgb(133, 142, 174).
Aa
Black text reads best on this color (6.47:1).
About this color
#858EAE is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.049 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.021 away. Black text reads best on it, at 6.47:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #858EAE |
| RGB | rgb(133, 142, 174) |
| HSL | hsl(227, 20%, 60%) |
| OKLCH | oklch(65.1% 0.049 272.7) |
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 #858EAE | 3.24:1 | AA large text | Lc -65.1 | Content text, not long reading |
| Black text on #858EAE | 6.47:1 | AA | Lc 44.4 | Non-text elements, placeholder text |
| #858EAE text on white | 3.24:1 | AA large text | Lc 59.7 | Large or bold text, headings |
| #858EAE text on black | 6.47:1 | AA | Lc -42.0 | 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
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8EAEF
oklch(93.7% 0.007 268.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BBC0D1
oklch(80.9% 0.024 272.8)
-
Step 400
400
#98A0B9
oklch(70.8% 0.038 271.4)
-
Step 500
500 (this color)
#858EAE
oklch(65.1% 0.049 272.7)
-
Step 600
600
#697293
oklch(55.7% 0.052 272.7)
-
Step 700
700
#575F7D
oklch(49.1% 0.049 272.9)
-
Step 800
800
#474E66
oklch(42.7% 0.041 271.9)
-
Step 900
900
#3C4153
oklch(37.8% 0.032 272.7)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#858EAE 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) | #8591AF | 0.008 |
| Deuteranopia (no green cones) | #828DAD | 0.005 |
| Tritanopia (no blue cones) | #7B9499 | 0.043 |
| Achromatopsia (no color) | #8F8F8F | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858EAE
#858EAE
oklch(65.1% 0.049 272.7)
- #9A8F6D
#9A8F6D
oklch(65.1% 0.05 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 #858EAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.021
- Blue Grey #758DA3 ΔE 0.028
- Cool Gray #8D99AE ΔE 0.034
- Light Slate Gray #778899 ΔE 0.040
- Faded Blue #658CBB ΔE 0.045
- Lavender Gray #7E7F9A ΔE 0.047
- Steel #738595 ΔE 0.050
- Heather #A484AC ΔE 0.050
Use #858EAE 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.