#3B5EE3#3B5EE3

#3B5EE3 is a mid, highly saturated blue. Relative luminance 0.145; OKLCH L 53.8% C 0.206 H 267.6°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3B5EE3
RGB	rgb(59, 94, 227)
HSL	hsl(228, 75%, 56%)
HSV	hsv(228, 74%, 89%)
CMYK	cmyk(74%, 58.6%, 0%, 11%)
CIE-LAB	lab(44.91, 33.18, -71.15)
CIE-LCH	lch(44.91, 78.51, 295.00°)
OKLab	oklab(53.77% -0.0087 -0.2054)
OKLCH	oklch(53.77% 0.206 267.6)
XYZ	xyz(19.6666, 14.4791, 74.4164)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B5EE3 #E3C03B

analogous

#3BB2E3 #3B5EE3 #6C3BE3

triadic

#3B5EE3 #E33B5E #5EE33B

tetradic

#3B5EE3 #E33BB2 #E3C03B #3BE36C

square

#3B5EE3 #E33BB2 #E3C03B #3BE36C

split-complementary

#3B5EE3 #E36C3B #B2E33B

monochromatic

#142E8F #1C3FC5 #3B5EE3 #718AEB #A6B6F2

Accessibility & contrast

On white

5.39

#3B5EE3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3B5EE3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B5EE3

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B5EE3	#FFFFFF	#000000	##FFFFFF
##3B5EE3	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E7

Deuteranopia (green-blind)

#0063E0

Tritanopia (blue-blind)

#008097

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3b5ee3;
/* rgb */ color: rgb(59, 94, 227);
/* oklch */ color: oklch(53.8% 0.206 267.6);

Tailwind

colors: {
  custom: {
    50: '#888bed',
    500: '#3b5ee3',
    950: '#000000',
  },
}

SCSS

$custom: #3b5ee3;
$custom-light: #888bed;
$custom-dark: #000000;

JSON

{
  "hex": "#3b5ee3",
  "rgb": {
    "r": 59,
    "g": 94,
    "b": 227
  },
  "hsl": {
    "h": 227.5,
    "s": 75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.5377,
    "c": 0.20562,
    "h": 267.6
  },
  "luminance": 0.14481
}

Semantic roles & 50–950 ramp

primary

#3B5EE3

secondary

#E0D19A

accent

#CB36F2

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3B5EE3

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

Preview Lab → · Contrast checker → · Palette generator →