#3858BC#3858BC

#3858BC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.162 H 266.9°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#3858BC
RGB	rgb(56, 88, 188)
HSL	hsl(225, 54%, 48%)
HSV	hsv(225, 70%, 74%)
CMYK	cmyk(70.2%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(40.33, 22.48, -56.18)
CIE-LCH	lch(40.33, 60.51, 291.81°)
OKLab	oklab(49.38% -0.0087 -0.1616)
OKLCH	oklch(49.38% 0.162 266.9)
XYZ	xyz(14.1946, 11.4496, 49.0291)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3858BC #BC9C38

analogous

#389ABC #3858BC #5A38BC

triadic

#3858BC #BC3858 #58BC38

tetradic

#3858BC #BC389A #BC9C38 #38BC5A

square

#3858BC #BC389A #BC9C38 #38BC5A

split-complementary

#3858BC #BC5A38 #9ABC38

monochromatic

#1C2C5E #2A428D #3858BC #617CD0 #90A3DE

Accessibility & contrast

On white

6.38

#3858BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3858BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3858BC

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3858BC	#FFFFFF	#000000	##FFFFFF
##3858BC	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1165C0

Deuteranopia (green-blind)

#0059BA

Tritanopia (blue-blind)

#007081

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3858bc;
/* rgb */ color: rgb(56, 88, 188);
/* oklch */ color: oklch(49.4% 0.162 266.9);

Tailwind

colors: {
  custom: {
    50: '#7f86d1',
    500: '#3858bc',
    950: '#000000',
  },
}

SCSS

$custom: #3858bc;
$custom-light: #7f86d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3858bc",
  "rgb": {
    "r": 56,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 225.455,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.49381,
    "c": 0.1618,
    "h": 266.9
  },
  "luminance": 0.11451
}

Semantic roles & 50–950 ramp

primary

#3858BC

secondary

#C9B987

accent

#BA4ADD

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #3858BC

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

Preview Lab → · Contrast checker → · Palette generator →