#859CD8
Closest named color: Perrywinkle (#8F8CE7). oklch(69.8% 0.092 267.9), rgb(133, 156, 216).
Aa
Black text reads best on this color (7.74:1).
About this color
#859CD8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.092 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.053 away. Black text reads best on it, at 7.74:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.74:1 |
| White text | 2.71:1 |
Values
| HEX | #859CD8 |
| RGB | rgb(133, 156, 216) |
| HSL | hsl(223, 52%, 68%) |
| OKLCH | oklch(69.8% 0.092 267.9) |
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 #859CD8 | 2.71:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #859CD8 | 7.74:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #859CD8 text on white | 2.71:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #859CD8 text on black | 7.74:1 | AAA | Lc -49.4 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D0D9EF
oklch(88.5% 0.032 268)
-
Step 300
300
#B0C0E7
oklch(80.9% 0.058 267.6)
-
Step 400
400 (this color)
#859CD8
oklch(69.8% 0.092 267.9)
-
Step 500
500
#6B86D1
oklch(63.2% 0.118 267.9)
-
Step 600
600
#536EBE
oklch(55.6% 0.128 268)
-
Step 700
700
#435CA4
oklch(49.1% 0.119 267.5)
-
Step 800
800
#384B85
oklch(42.7% 0.099 268.3)
-
Step 900
900
#303F6A
oklch(37.6% 0.076 268.1)
-
Step 950
950
#1C253E
oklch(26.9% 0.049 268)
#859CD8 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) | #88A1DB | 0.014 |
| Deuteranopia (no green cones) | #809AD7 | 0.009 |
| Tritanopia (no blue cones) | #6BA8B1 | 0.082 |
| Achromatopsia (no color) | #9D9D9D | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #859CD8
#859CD8
oklch(69.8% 0.092 267.9)
- #B69B57
#B69B57
oklch(69.9% 0.093 88.3)
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 #859CD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.053
- Cornflower Blue #6495ED ΔE 0.056
- Periwinkle Blue #8F99FB ΔE 0.057
- Cool Gray #8D99AE ΔE 0.061
- Greyblue #77A1B5 ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.066
- Faded Blue #658CBB ΔE 0.072
Use #859CD8 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.