#3E55CB#3E55CB

#3E55CB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.184 H 270.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#3E55CB
RGB	rgb(62, 85, 203)
HSL	hsl(230, 58%, 52%)
HSV	hsv(230, 69%, 80%)
CMYK	cmyk(69.5%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(40.95, 30.68, -63.87)
CIE-LCH	lch(40.95, 70.86, 295.65°)
OKLab	oklab(50.28% 0.0002 -0.1841)
OKLCH	oklch(50.28% 0.184 270)
XYZ	xyz(16.0109, 11.8314, 57.9282)
Luminance	0.1183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E55CB #CBB43E

analogous

#3E9BCB #3E55CB #6E3ECB

triadic

#3E55CB #CB3E55 #55CB3E

tetradic

#3E55CB #CB3E9B #CBB43E #3ECB6E

square

#3E55CB #CB3E9B #CBB43E #3ECB6E

split-complementary

#3E55CB #CB6E3E #9BCB3E

monochromatic

#1E2C70 #2B3EA1 #3E55CB #6E7FD8 #9EAAE5

Accessibility & contrast

On white

6.24

#3E55CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#3E55CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E55CB

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E55CB	#FFFFFF	#000000	##FFFFFF
##3E55CB	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3e55cb;
/* rgb */ color: rgb(62, 85, 203);
/* oklch */ color: oklch(50.3% 0.184 270.0);

Tailwind

colors: {
  custom: {
    50: '#8584dc',
    500: '#3e55cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e55cb;
$custom-light: #8584dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e55cb",
  "rgb": {
    "r": 62,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 230.213,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.50275,
    "c": 0.18412,
    "h": 270
  },
  "luminance": 0.11833
}

Semantic roles & 50–950 ramp

primary

#3E55CB

secondary

#D1C794

accent

#C847E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E55CB

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

Preview Lab → · Contrast checker → · Palette generator →