#858AAE
Closest named color: Silver Lake Blue (#778DA9). oklch(64.2% 0.054 278.6), rgb(133, 138, 174).
Aa
Black text reads best on this color (6.24:1).
About this color
#858AAE is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.054 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.023 away. Black text reads best on it, at 6.24:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #858AAE |
| RGB | rgb(133, 138, 174) |
| HSL | hsl(233, 20%, 60%) |
| OKLCH | oklch(64.2% 0.054 278.6) |
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 #858AAE | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #858AAE | 6.24:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #858AAE text on white | 3.36:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #858AAE text on black | 6.24:1 | AA | Lc -40.6 | 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
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D7D8E3
oklch(88.5% 0.015 281.9)
-
Step 300
300
#BCBFD2
oklch(80.8% 0.027 278.6)
-
Step 400
400
#9A9EBB
oklch(70.6% 0.042 279.1)
-
Step 500
500 (this color)
#858AAE
oklch(64.2% 0.054 278.6)
-
Step 600
600
#6B7096
oklch(55.6% 0.059 278.5)
-
Step 700
700
#595E80
oklch(49.1% 0.055 277.7)
-
Step 800
800
#494D68
oklch(42.8% 0.045 277.8)
-
Step 900
900
#3D4054
oklch(37.7% 0.034 278)
-
Step 950
950
#242531
oklch(26.9% 0.022 281.1)
#858AAE 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) | #808EB0 | 0.012 |
| Deuteranopia (no green cones) | #7E8BAD | 0.010 |
| Tritanopia (no blue cones) | #7B9096 | 0.048 |
| Achromatopsia (no color) | #8C8C8C | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858AAE
#858AAE
oklch(64.2% 0.054 278.6)
- #958E68
#958E68
oklch(64.3% 0.054 98.9)
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 #858AAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.023
- Blue Grey #758DA3 ΔE 0.031
- Light Slate Gray #778899 ΔE 0.039
- Lavender Gray #7E7F9A ΔE 0.040
- Faded Blue #658CBB ΔE 0.043
- Cool Gray #8D99AE ΔE 0.045
- Purpley Grey #947E94 ΔE 0.046
- Heather #A484AC ΔE 0.047
Use #858AAE 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.