#3E5BCB#3E5BCB

#3E5BCB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.177 H 268.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3E5BCB
RGB	rgb(62, 91, 203)
HSL	hsl(228, 58%, 52%)
HSV	hsv(228, 69%, 80%)
CMYK	cmyk(69.5%, 55.2%, 0%, 20.4%)
CIE-LAB	lab(42.49, 26.85, -61.38)
CIE-LCH	lch(42.49, 66.99, 293.63°)
OKLab	oklab(51.43% -0.0046 -0.1767)
OKLCH	oklch(51.43% 0.177 268.5)
XYZ	xyz(16.5035, 12.8165, 58.0924)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E5BCB #CBAE3E

analogous

#3EA1CB #3E5BCB #683ECB

triadic

#3E5BCB #CB3E5B #5BCB3E

tetradic

#3E5BCB #CB3EA1 #CBAE3E #3ECB68

square

#3E5BCB #CB3EA1 #CBAE3E #3ECB68

split-complementary

#3E5BCB #CB683E #A1CB3E

monochromatic

#1E2F70 #2B43A1 #3E5BCB #6E84D8 #9EADE5

Accessibility & contrast

On white

5.89

#3E5BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3E5BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E5BCB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E5BCB	#FFFFFF	#000000	##FFFFFF
##3E5BCB	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#00768A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3e5bcb;
/* rgb */ color: rgb(62, 91, 203);
/* oklch */ color: oklch(51.4% 0.177 268.5);

Tailwind

colors: {
  custom: {
    50: '#8489dc',
    500: '#3e5bcb',
    950: '#000000',
  },
}

SCSS

$custom: #3e5bcb;
$custom-light: #8489dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3e5bcb",
  "rgb": {
    "r": 62,
    "g": 91,
    "b": 203
  },
  "hsl": {
    "h": 227.66,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.51426,
    "c": 0.17675,
    "h": 268.5
  },
  "luminance": 0.12818
}

Semantic roles & 50–950 ramp

primary

#3E5BCB

secondary

#D1C594

accent

#C147E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E5BCB

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

Preview Lab → · Contrast checker → · Palette generator →