#859ADA
Closest named color: Perrywinkle (#8F8CE7). oklch(69.5% 0.097 269.8), rgb(133, 154, 218).
Aa
Black text reads best on this color (7.63:1).
About this color
#859ADA is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.097 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.047 away. Black text reads best on it, at 7.63:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.63:1 |
| White text | 2.75:1 |
Values
| HEX | #859ADA |
| RGB | rgb(133, 154, 218) |
| HSL | hsl(225, 53%, 69%) |
| OKLCH | oklch(69.5% 0.097 269.8) |
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 #859ADA | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #859ADA | 7.63:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #859ADA text on white | 2.75:1 | Fails | Lc 53.1 | Large or bold text, headings |
| #859ADA text on black | 7.63:1 | AAA | Lc -48.7 | 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
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F0
oklch(88.6% 0.033 268.7)
-
Step 300
300
#B1BFE9
oklch(80.8% 0.061 270.5)
-
Step 400
400 (this color)
#859ADA
oklch(69.5% 0.097 269.8)
-
Step 500
500
#6C84D5
oklch(63.1% 0.125 270)
-
Step 600
600
#556CC2
oklch(55.5% 0.136 270.2)
-
Step 700
700
#455AA8
oklch(49.1% 0.127 269.9)
-
Step 800
800
#394A88
oklch(42.7% 0.105 270)
-
Step 900
900
#313E6D
oklch(37.7% 0.082 270.4)
-
Step 950
950
#1D2540
oklch(27.1% 0.052 270.2)
#859ADA 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) | #84A0DD | 0.016 |
| Deuteranopia (no green cones) | #7D98D9 | 0.012 |
| Tritanopia (no blue cones) | #6AA7B1 | 0.087 |
| Achromatopsia (no color) | #9C9C9C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #859ADA
#859ADA
oklch(69.5% 0.097 269.8)
- #B59A52
#B59A52
oklch(69.5% 0.097 89.2)
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 #859ADA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.047
- Cornflower Blue #6495ED ΔE 0.051
- Periwinkle Blue #8F99FB ΔE 0.052
- Cool Gray #8D99AE ΔE 0.066
- Greyblue #77A1B5 ΔE 0.067
- Bluey Grey #89A0B0 ΔE 0.070
- Faded Blue #658CBB ΔE 0.071
- Lavender Blue #8B88F8 ΔE 0.072
Use #859ADA 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.