#3E5BCA#3E5BCA

#3E5BCA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.3% C 0.175 H 268.5°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3E5BCA
RGB	rgb(62, 91, 202)
HSL	hsl(228, 57%, 52%)
HSV	hsv(228, 69%, 79%)
CMYK	cmyk(69.3%, 55%, 0%, 20.8%)
CIE-LAB	lab(42.41, 26.49, -60.92)
CIE-LCH	lch(42.41, 66.43, 293.50°)
OKLab	oklab(51.35% -0.0047 -0.1753)
OKLCH	oklch(51.35% 0.175 268.5)
XYZ	xyz(16.3847, 12.7689, 57.4668)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E5BCA #CAAD3E

analogous

#3EA1CA #3E5BCA #673ECA

triadic

#3E5BCA #CA3E5B #5BCA3E

tetradic

#3E5BCA #CA3EA1 #CAAD3E #3ECA67

square

#3E5BCA #CA3EA1 #CAAD3E #3ECA67

split-complementary

#3E5BCA #CA673E #A1CA3E

monochromatic

#1F2F6F #2C449F #3E5BCA #6E84D7 #9EADE4

Accessibility & contrast

On white

5.91

#3E5BCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#3E5BCA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E5BCA

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E5BCA	#FFFFFF	#000000	##FFFFFF
##3E5BCA	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCE

Deuteranopia (green-blind)

#005EC8

Tritanopia (blue-blind)

#007689

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3e5bca;
/* rgb */ color: rgb(62, 91, 202);
/* oklch */ color: oklch(51.3% 0.175 268.5);

Tailwind

colors: {
  custom: {
    50: '#8489db',
    500: '#3e5bca',
    950: '#000000',
  },
}

SCSS

$custom: #3e5bca;
$custom-light: #8489db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e5bca",
  "rgb": {
    "r": 62,
    "g": 91,
    "b": 202
  },
  "hsl": {
    "h": 227.571,
    "s": 56.911,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51349,
    "c": 0.1754,
    "h": 268.5
  },
  "luminance": 0.12771
}

Semantic roles & 50–950 ramp

primary

#3E5BCA

secondary

#D1C493

accent

#C148E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3E5BCA

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

Preview Lab → · Contrast checker → · Palette generator →