#858FAE
Closest named color: Silver Lake Blue (#778DA9). oklch(65.3% 0.048 271), rgb(133, 143, 174).
Aa
Black text reads best on this color (6.53:1).
About this color
#858FAE is a medium-light, muted blue. In OKLCH its lightness is 65%, its chroma 0.048 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.022 away. Black text reads best on it, at 6.53:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #858FAE |
| RGB | rgb(133, 143, 174) |
| HSL | hsl(225, 20%, 60%) |
| OKLCH | oklch(65.3% 0.048 271) |
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 #858FAE | 3.21:1 | AA large text | Lc -64.8 | Content text, not long reading |
| Black text on #858FAE | 6.53:1 | AA | Lc 44.7 | Non-text elements, placeholder text |
| #858FAE text on white | 3.21:1 | AA large text | Lc 59.4 | Large or bold text, headings |
| #858FAE text on black | 6.53:1 | AA | Lc -42.4 | 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
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E2
oklch(88.6% 0.013 271.3)
-
Step 300
300
#BBC0D0
oklch(80.9% 0.023 272)
-
Step 400
400
#98A0B9
oklch(70.8% 0.038 271.4)
-
Step 500
500 (this color)
#858FAE
oklch(65.3% 0.048 271)
-
Step 600
600
#687292
oklch(55.6% 0.051 271.2)
-
Step 700
700
#56607D
oklch(49.2% 0.048 269.8)
-
Step 800
800
#474E65
oklch(42.7% 0.039 271.5)
-
Step 900
900
#3B4153
oklch(37.7% 0.032 270.4)
-
Step 950
950
#232630
oklch(27% 0.019 272)
#858FAE 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) | #8691AF | 0.006 |
| Deuteranopia (no green cones) | #838EAD | 0.004 |
| Tritanopia (no blue cones) | #7B9599 | 0.043 |
| Achromatopsia (no color) | #909090 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858FAE
#858FAE
oklch(65.3% 0.048 271)
- #9B8F6F
#9B8F6F
oklch(65.2% 0.047 89.9)
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 #858FAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.022
- Blue Grey #758DA3 ΔE 0.029
- Cool Gray #8D99AE ΔE 0.031
- Light Slate Gray #778899 ΔE 0.040
- Faded Blue #658CBB ΔE 0.047
- Bluey Grey #89A0B0 ΔE 0.048
- Lavender Gray #7E7F9A ΔE 0.049
- Greyblue #77A1B5 ΔE 0.049
Use #858FAE 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.