#859BDA
Closest named color: Perrywinkle (#8F8CE7). oklch(69.7% 0.096 269.1), rgb(133, 155, 218).
Aa
Black text reads best on this color (7.69:1).
About this color
#859BDA is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.096 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.049 away. Black text reads best on it, at 7.69:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.096) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.69:1 |
| White text | 2.72:1 |
Values
| HEX | #859BDA |
| RGB | rgb(133, 155, 218) |
| HSL | hsl(224, 53%, 69%) |
| OKLCH | oklch(69.7% 0.096 269.1) |
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 #859BDA | 2.72:1 | Fails | Lc -58.0 | Large or bold text, headings |
| Black text on #859BDA | 7.69:1 | AAA | Lc 51.3 | Large or bold text, headings |
| #859BDA text on white | 2.72:1 | Fails | Lc 52.8 | Large or bold text, headings |
| #859BDA text on black | 7.69:1 | AAA | Lc -49.1 | 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
#B1C0E9
oklch(81% 0.06 269.3)
-
Step 400
400 (this color)
#859BDA
oklch(69.7% 0.096 269.1)
-
Step 500
500
#6B85D4
oklch(63.1% 0.123 268.9)
-
Step 600
600
#546DC1
oklch(55.6% 0.134 269.2)
-
Step 700
700
#445BA7
oklch(49.2% 0.124 268.8)
-
Step 800
800
#384A87
oklch(42.6% 0.104 269.3)
-
Step 900
900
#303F6C
oklch(37.8% 0.08 268.5)
-
Step 950
950
#1C253F
oklch(27% 0.05 268.4)
#859BDA 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) | #86A1DD | 0.016 |
| Deuteranopia (no green cones) | #7E99D9 | 0.011 |
| Tritanopia (no blue cones) | #6AA8B1 | 0.087 |
| Achromatopsia (no color) | #9D9D9D | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #859BDA
#859BDA
oklch(69.7% 0.096 269.1)
- #B69B53
#B69B53
oklch(69.8% 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 #859BDA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.049
- Cornflower Blue #6495ED ΔE 0.053
- Periwinkle Blue #8F99FB ΔE 0.053
- Cool Gray #8D99AE ΔE 0.065
- Greyblue #77A1B5 ΔE 0.066
- Bluey Grey #89A0B0 ΔE 0.069
- Bluegrey #85A3B2 ΔE 0.070
- Faded Blue #658CBB ΔE 0.072
Use #859BDA 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.