#858CAE
Closest named color: Silver Lake Blue (#778DA9). oklch(64.7% 0.051 275.8), rgb(133, 140, 174).
Aa
Black text reads best on this color (6.35:1).
About this color
#858CAE is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.051 and its hue 276°. 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 6.35:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.051) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.35:1 |
| White text | 3.30:1 |
Values
| HEX | #858CAE |
| RGB | rgb(133, 140, 174) |
| HSL | hsl(230, 20%, 60%) |
| OKLCH | oklch(64.7% 0.051 275.8) |
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 #858CAE | 3.30:1 | AA large text | Lc -65.8 | Content text, not long reading |
| Black text on #858CAE | 6.35:1 | AA | Lc 43.7 | Non-text elements, placeholder text |
| #858CAE text on white | 3.30:1 | AA large text | Lc 60.4 | Content text, not long reading |
| #858CAE text on black | 6.35:1 | AA | Lc -41.3 | 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
#D6D9E3
oklch(88.6% 0.014 272.7)
-
Step 300
300
#BCC0D1
oklch(81% 0.024 275.3)
-
Step 400
400
#999FBA
oklch(70.7% 0.04 275.5)
-
Step 500
500 (this color)
#858CAE
oklch(64.7% 0.051 275.8)
-
Step 600
600
#6A7194
oklch(55.6% 0.055 275.7)
-
Step 700
700
#585E7F
oklch(49% 0.053 276.3)
-
Step 800
800
#484D67
oklch(42.6% 0.044 275.9)
-
Step 900
900
#3C4054
oklch(37.6% 0.035 275.8)
-
Step 950
950
#232631
oklch(27% 0.021 273)
#858CAE 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) | #828FB0 | 0.008 |
| Deuteranopia (no green cones) | #808CAD | 0.007 |
| Tritanopia (no blue cones) | #7B9297 | 0.046 |
| Achromatopsia (no color) | #8D8D8D | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858CAE
#858CAE
oklch(64.7% 0.051 275.8)
- #978E6B
#978E6B
oklch(64.5% 0.05 95.4)
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 #858CAE, 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 0.029
- Light Slate Gray #778899 ΔE 0.039
- Cool Gray #8D99AE ΔE 0.040
- Lavender Gray #7E7F9A ΔE 0.043
- Faded Blue #658CBB ΔE 0.044
- Purpley Grey #947E94 ΔE 0.048
- Steel #738595 ΔE 0.048
Use #858CAE 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.