#858FB8
Closest named color: Silver Lake Blue (#778DA9). oklch(65.7% 0.062 273.9), rgb(133, 143, 184).
Aa
Black text reads best on this color (6.61:1).
About this color
#858FB8 is a medium-light, muted blue. In OKLCH its lightness is 66%, its chroma 0.062 and its hue 274°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.031 away. Black text reads best on it, at 6.61:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.61:1 |
| White text | 3.17:1 |
Values
| HEX | #858FB8 |
| RGB | rgb(133, 143, 184) |
| HSL | hsl(228, 26%, 62%) |
| OKLCH | oklch(65.7% 0.062 273.9) |
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 #858FB8 | 3.17:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #858FB8 | 6.61:1 | AA | Lc 45.2 | Large or bold text, headings |
| #858FB8 text on white | 3.17:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #858FB8 text on black | 6.61:1 | AA | Lc -42.9 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E8E9F0
oklch(93.5% 0.009 279.7)
-
Step 200
200
#D5D9E5
oklch(88.6% 0.017 271.2)
-
Step 300
300
#BAC0D5
oklch(81% 0.03 273)
-
Step 400
400
#979FC0
oklch(70.7% 0.049 274.4)
-
Step 500
500 (this color)
#858FB8
oklch(65.7% 0.062 273.9)
-
Step 600
600
#67719B
oklch(55.7% 0.066 273.7)
-
Step 700
700
#555E85
oklch(49.1% 0.064 273.8)
-
Step 800
800
#464D6C
oklch(42.7% 0.052 274.2)
-
Step 900
900
#3B4057
oklch(37.7% 0.04 274.8)
-
Step 950
950
#222633
oklch(27.1% 0.025 271.4)
#858FB8 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) | #8393BA | 0.011 |
| Deuteranopia (no green cones) | #7F8FB7 | 0.008 |
| Tritanopia (no blue cones) | #78979D | 0.056 |
| Achromatopsia (no color) | #909090 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858FB8
#858FB8
oklch(65.7% 0.062 273.9)
- #9E9165
#9E9165
oklch(65.7% 0.063 93.6)
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 #858FB8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.031
- Cool Gray #8D99AE ΔE 0.038
- Blue Grey #758DA3 ΔE 0.040
- Faded Blue #658CBB ΔE 0.043
- Heather #A484AC ΔE 0.051
- Light Slate Gray #778899 ΔE 0.052
- Greyblue #77A1B5 ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.054
Use #858FB8 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.