#858FEB
Closest named color: Perrywinkle (#8F8CE7). oklch(68.1% 0.135 277.5), rgb(133, 143, 235).
Aa
Black text reads best on this color (7.12:1).
About this color
#858FEB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.135 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.015 away. Black text reads best on it, at 7.12:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #858FEB |
| RGB | rgb(133, 143, 235) |
| HSL | hsl(234, 72%, 72%) |
| OKLCH | oklch(68.1% 0.135 277.5) |
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 #858FEB | 2.94:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #858FEB | 7.12:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #858FEB text on white | 2.94:1 | Fails | Lc 55.9 | Large or bold text, headings |
| #858FEB text on black | 7.12:1 | AAA | Lc -45.9 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7F9
oklch(88.5% 0.047 277.5)
-
Step 300
300
#B3BCF7
oklch(80.9% 0.084 277.6)
-
Step 400
400 (this color)
#858FEB
oklch(68.1% 0.135 277.5)
-
Step 500
500
#737AEF
oklch(63.1% 0.173 277.7)
-
Step 600
600
#5D60DE
oklch(55.7% 0.188 277.4)
-
Step 700
700
#4D4EC1
oklch(49.1% 0.176 277.4)
-
Step 800
800
#3F419C
oklch(42.8% 0.145 277.4)
-
Step 900
900
#35387C
oklch(37.7% 0.113 277.6)
-
Step 950
950
#1F2148
oklch(26.9% 0.071 278.2)
#858FEB 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) | #6E9AEF | 0.036 |
| Deuteranopia (no green cones) | #6693E9 | 0.038 |
| Tritanopia (no blue cones) | #63A2B2 | 0.120 |
| Achromatopsia (no color) | #969696 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858FEB
#858FEB
oklch(68.1% 0.135 277.5)
- #B09817
#B09817
oklch(68.1% 0.135 97.3)
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 #858FEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.015
- Lavender Blue #8B88F8 ΔE 0.029
- Periwinkle Blue #8F99FB ΔE 0.036
- Cornflower Blue #6495ED ΔE 0.040
- Soft Blue #6488EA ΔE 0.047
- Periwinkle #8E82FE ΔE 0.047
- Chefchaouen Blue #4895EF ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.072
Use #858FEB 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.