#859BC2
Closest named color: Cool Gray (#8D99AE). oklch(68.7% 0.063 261.8), rgb(133, 155, 194).
Aa
Black text reads best on this color (7.46:1).
About this color
#859BC2 is a medium-light, muted blue. In OKLCH its lightness is 69%, its chroma 0.063 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Gray (#8D99AE), ΔE 0.030 away. Black text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Cool Gray (#8D99AE) |
| Black text | 7.46:1 |
| White text | 2.81:1 |
Values
| HEX | #859BC2 |
| RGB | rgb(133, 155, 194) |
| HSL | hsl(218, 33%, 64%) |
| OKLCH | oklch(68.7% 0.063 261.8) |
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 #859BC2 | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #859BC2 | 7.46:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #859BC2 text on white | 2.81:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #859BC2 text on black | 7.46:1 | AAA | Lc -47.8 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F5F9
oklch(97% 0.006 264.5)
-
Step 100
100
#E6EAF2
oklch(93.6% 0.012 264.5)
-
Step 200
200
#D1DAE8
oklch(88.6% 0.022 259.2)
-
Step 300
300
#B3C1DB
oklch(80.9% 0.04 262.9)
-
Step 400
400 (this color)
#859BC2
oklch(68.7% 0.063 261.8)
-
Step 500
500
#6E8ABB
oklch(63.1% 0.081 261.3)
-
Step 600
600
#5773A7
oklch(55.6% 0.088 262.2)
-
Step 700
700
#47608F
oklch(49% 0.082 262.4)
-
Step 800
800
#3A4F74
oklch(42.7% 0.067 261.3)
-
Step 900
900
#32425E
oklch(37.8% 0.053 261.3)
-
Step 950
950
#1D2737
oklch(27.1% 0.033 259.6)
#859BC2 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) | #8E9DC4 | 0.014 |
| Deuteranopia (no green cones) | #8897C1 | 0.011 |
| Tritanopia (no blue cones) | #73A3A8 | 0.056 |
| Achromatopsia (no color) | #9A9A9A | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #859BC2
#859BC2
oklch(68.7% 0.063 261.8)
- #AE976E
#AE976E
oklch(68.7% 0.062 81.7)
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 #859BC2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Gray #8D99AE ΔE 0.030
- Greyblue #77A1B5 ΔE 0.034
- Bluey Grey #89A0B0 ΔE 0.035
- Bluegrey #85A3B2 ΔE 0.038
- Cool Steel #97A7B3 ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.053
- Cool Grey #95A3A6 ΔE 0.057
- Blue Grey #758DA3 ΔE 0.059
Use #859BC2 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.