#3967E9#3967E9

#3967E9 is a mid, highly saturated blue. Relative luminance 0.165; OKLCH L 55.9% C 0.203 H 265.4°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3967E9
RGB	rgb(57, 103, 233)
HSL	hsl(224, 80%, 57%)
HSV	hsv(224, 76%, 91%)
CMYK	cmyk(75.5%, 55.8%, 0%, 8.6%)
CIE-LAB	lab(47.56, 29.45, -70.23)
CIE-LCH	lch(47.56, 76.15, 292.75°)
OKLab	oklab(55.87% -0.0162 -0.2026)
OKLCH	oklch(55.87% 0.203 265.4)
XYZ	xyz(21.2404, 16.4512, 79.1309)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967E9 #E9BB39

analogous

#39BFE9 #3967E9 #6339E9

triadic

#3967E9 #E93967 #67E939

tetradic

#3967E9 #E939BF #E9BB39 #39E963

square

#3967E9 #E939BF #E9BB39 #39E963

split-complementary

#3967E9 #E96339 #BFE939

monochromatic

#113497 #1747CE #3967E9 #7091EF #A7BCF5

Accessibility & contrast

On white

4.89

#3967E9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3967E9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967E9

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967E9	#FFFFFF	#000000	##FFFFFF
##3967E9	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079ED

Deuteranopia (green-blind)

#0069E6

Tritanopia (blue-blind)

#00879E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3967e9;
/* rgb */ color: rgb(57, 103, 233);
/* oklch */ color: oklch(55.9% 0.203 265.4);

Tailwind

colors: {
  custom: {
    50: '#8891f1',
    500: '#3967e9',
    950: '#000000',
  },
}

SCSS

$custom: #3967e9;
$custom-light: #8891f1;
$custom-dark: #000000;

JSON

{
  "hex": "#3967e9",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 233
  },
  "hsl": {
    "h": 224.318,
    "s": 80,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55873,
    "c": 0.20328,
    "h": 265.4
  },
  "luminance": 0.16454
}

Semantic roles & 50–950 ramp

primary

#3967E9

secondary

#E3D09B

accent

#C331F6

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3967E9

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

Preview Lab → · Contrast checker → · Palette generator →