#3858BF#3858BF

#3858BF is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.6% C 0.166 H 267.1°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3858BF
RGB	rgb(56, 88, 191)
HSL	hsl(226, 55%, 48%)
HSV	hsv(226, 71%, 75%)
CMYK	cmyk(70.7%, 53.9%, 0%, 25.1%)
CIE-LAB	lab(40.54, 23.58, -57.58)
CIE-LCH	lch(40.54, 62.23, 292.27°)
OKLab	oklab(49.61% -0.0084 -0.1657)
OKLCH	oklch(49.61% 0.166 267.1)
XYZ	xyz(14.5213, 11.5803, 50.7500)
Luminance	0.1158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858BF #BF9F38

analogous

#389BBF #3858BF #5B38BF

triadic

#3858BF #BF3858 #58BF38

tetradic

#3858BF #BF389B #BF9F38 #38BF5B

square

#3858BF #BF389B #BF9F38 #38BF5B

split-complementary

#3858BF #BF5B38 #9BBF38

monochromatic

#1C2C60 #2A4290 #3858BF #637DD1 #92A4DF

Accessibility & contrast

On white

6.33

#3858BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#3858BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858BF

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858BF	#FFFFFF	#000000	##FFFFFF
##3858BF	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0766C3

Deuteranopia (green-blind)

#005ABD

Tritanopia (blue-blind)

#007183

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3858bf;
/* rgb */ color: rgb(56, 88, 191);
/* oklch */ color: oklch(49.6% 0.166 267.1);

Tailwind

colors: {
  custom: {
    50: '#7f86d3',
    500: '#3858bf',
    950: '#000000',
  },
}

SCSS

$custom: #3858bf;
$custom-light: #7f86d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3858bf",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 191
  },
  "hsl": {
    "h": 225.778,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4961,
    "c": 0.16591,
    "h": 267.1
  },
  "luminance": 0.11582
}

Semantic roles & 50–950 ramp

primary

#3858BF

secondary

#CABB89

accent

#BB4ADE

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3858BF

Body copy rendered with the generated semantic roles for this colour.

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