#858DA1
Closest named color: Blue Grey (#758DA3). oklch(64.4% 0.031 268.2), rgb(133, 141, 161).
Aa
Black text reads best on this color (6.32:1).
About this color
#858DA1 is a medium-light, muted blue. In OKLCH its lightness is 64%, its chroma 0.031 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.021 away. Black text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-light (64%) |
| Chroma | muted (0.031) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.32:1 |
| White text | 3.32:1 |
Values
| HEX | #858DA1 |
| RGB | rgb(133, 141, 161) |
| HSL | hsl(223, 13%, 58%) |
| OKLCH | oklch(64.4% 0.031 268.2) |
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 #858DA1 | 3.32:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #858DA1 | 6.32:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #858DA1 text on white | 3.32:1 | AA large text | Lc 60.6 | Content text, not long reading |
| #858DA1 text on black | 6.32:1 | AA | Lc -41.1 | 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
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D7D9DF
oklch(88.6% 0.008 271.3)
-
Step 300
300
#BCC0CB
oklch(80.8% 0.016 269.9)
-
Step 400
400
#9AA0B0
oklch(70.6% 0.024 269.3)
-
Step 500
500 (this color)
#858DA1
oklch(64.4% 0.031 268.2)
-
Step 600
600
#6B7388
oklch(55.6% 0.034 268.8)
-
Step 700
700
#596073
oklch(49% 0.032 269.3)
-
Step 800
800
#494F5E
oklch(42.8% 0.026 268.1)
-
Step 900
900
#3D414D
oklch(37.6% 0.021 270.8)
-
Step 950
950
#24262D
oklch(27% 0.013 272.9)
#858DA1 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) | #878EA2 | 0.004 |
| Deuteranopia (no green cones) | #858CA1 | 0.003 |
| Tritanopia (no blue cones) | #7E9193 | 0.029 |
| Achromatopsia (no color) | #8D8D8D | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858DA1
#858DA1
oklch(64.4% 0.031 268.2)
- #958D78
#958D78
oklch(64.4% 0.032 89.6)
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 #858DA1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.021
- Silver Lake Blue #778DA9 ΔE 0.022
- Light Slate Gray #778899 ΔE 0.027
- Cool Gray #8D99AE ΔE 0.037
- Steel #738595 ΔE 0.038
- Lavender Gray #7E7F9A ΔE 0.041
- Purpley Grey #947E94 ΔE 0.043
- Warm Grey #978A84 ΔE 0.046
Use #858DA1 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.