#858CB6
Closest named color: Silver Lake Blue (#778DA9). oklch(65% 0.063 277.1), rgb(133, 140, 182).
Aa
Black text reads best on this color (6.42:1).
About this color
#858CB6 is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.063 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.029 away. Black text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #858CB6 |
| RGB | rgb(133, 140, 182) |
| HSL | hsl(231, 25%, 62%) |
| OKLCH | oklch(65% 0.063 277.1) |
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 #858CB6 | 3.26:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #858CB6 | 6.42:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #858CB6 text on white | 3.26:1 | AA large text | Lc 60.0 | Content text, not long reading |
| #858CB6 text on black | 6.42:1 | AA | Lc -41.7 | 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
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D6D8E5
oklch(88.5% 0.018 279)
-
Step 300
300
#BBBFD5
oklch(80.8% 0.031 277.5)
-
Step 400
400
#989EC0
oklch(70.6% 0.05 277.2)
-
Step 500
500 (this color)
#858CB6
oklch(65% 0.063 277.1)
-
Step 600
600
#69709C
oklch(55.7% 0.069 276.9)
-
Step 700
700
#575D85
oklch(49% 0.065 277.2)
-
Step 800
800
#474C6C
oklch(42.6% 0.054 277)
-
Step 900
900
#3C4058
oklch(37.8% 0.041 276.9)
-
Step 950
950
#232533
oklch(26.9% 0.026 278.2)
#858CB6 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) | #8090B8 | 0.012 |
| Deuteranopia (no green cones) | #7D8CB5 | 0.011 |
| Tritanopia (no blue cones) | #79949A | 0.057 |
| Achromatopsia (no color) | #8E8E8E | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858CB6
#858CB6
oklch(65% 0.063 277.1)
- #9A9063
#9A9063
oklch(65.1% 0.063 97.1)
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 #858CB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.029
- Blue Grey #758DA3 ΔE 0.038
- Faded Blue #658CBB ΔE 0.041
- Cool Gray #8D99AE ΔE 0.044
- Heather #A484AC ΔE 0.048
- Light Slate Gray #778899 ΔE 0.049
- Lavender Gray #7E7F9A ΔE 0.050
- Purpley Grey #947E94 ΔE 0.056
Use #858CB6 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.