#859FED
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.4% 0.118 269.2), rgb(133, 159, 237).
Aa
Black text reads best on this color (8.17:1).
About this color
#859FED is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.118 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.031 away. Black text reads best on it, at 8.17:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #859FED |
| RGB | rgb(133, 159, 237) |
| HSL | hsl(225, 74%, 73%) |
| OKLCH | oklch(71.4% 0.118 269.2) |
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 #859FED | 2.56:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #859FED | 8.17:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #859FED text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #859FED text on black | 8.17:1 | AAA | Lc -51.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4EAF9
oklch(93.7% 0.021 268.4)
-
Step 200
200
#CED9F5
oklch(88.6% 0.04 268.5)
-
Step 300
300
#ADBFF1
oklch(80.8% 0.074 269.3)
-
Step 400
400 (this color)
#859FED
oklch(71.4% 0.118 269.2)
-
Step 500
500
#6582E4
oklch(63.1% 0.151 269.3)
-
Step 600
600
#4D69D2
oklch(55.5% 0.164 269.2)
-
Step 700
700
#3F57B6
oklch(49.1% 0.153 269.4)
-
Step 800
800
#344893
oklch(42.8% 0.125 269.3)
-
Step 900
900
#2D3D75
oklch(37.7% 0.098 269.3)
-
Step 950
950
#1A2445
oklch(27% 0.063 269.2)
#859FED 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) | #83A6F0 | 0.018 |
| Deuteranopia (no green cones) | #799DEB | 0.016 |
| Tritanopia (no blue cones) | #60AFBB | 0.106 |
| Achromatopsia (no color) | #A2A2A2 | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #859FED
#859FED
oklch(71.4% 0.118 269.2)
- #C09F41
#C09F41
oklch(71.5% 0.118 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 #859FED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.031
- Perrywinkle #8F8CE7 ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.066
- Chefchaouen Blue #4895EF ΔE 0.072
- Soft Blue #6488EA ΔE 0.077
- Pale Purple #B790D4 ΔE 0.079
Use #859FED 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.