#4381EA#4381EA

#4381EA is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.6% C 0.171 H 260.3°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4381EA
RGB	rgb(67, 129, 234)
HSL	hsl(218, 80%, 59%)
HSV	hsv(218, 71%, 92%)
CMYK	cmyk(71.4%, 44.9%, 0%, 8.2%)
CIE-LAB	lab(54.90, 14.81, -58.92)
CIE-LCH	lch(54.90, 60.75, 284.11°)
OKLab	oklab(61.59% -0.029 -0.1688)
OKLCH	oklch(61.59% 0.171 260.3)
XYZ	xyz(25.0109, 22.8316, 80.9148)
Luminance	0.2283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4381EA #EAAC43

analogous

#43D4EA #4381EA #5943EA

triadic

#4381EA #EA4381 #81EA43

tetradic

#4381EA #EA43D4 #EAAC43 #43EA59

square

#4381EA #EA43D4 #EAAC43 #43EA59

split-complementary

#4381EA #EA5943 #D4EA43

monochromatic

#1247A1 #185FD8 #4381EA #7AA6F0 #B1CBF6

Accessibility & contrast

On white

3.77

#4381EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#4381EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4381EA

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4381EA	#FFFFFF	#000000	##000000
##4381EA	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B8CEE

Deuteranopia (green-blind)

#297CE8

Tritanopia (blue-blind)

#009AAA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4381ea;
/* rgb */ color: rgb(67, 129, 234);
/* oklch */ color: oklch(61.6% 0.171 260.3);

Tailwind

colors: {
  custom: {
    50: '#8ba5f1',
    500: '#4381ea',
    950: '#000000',
  },
}

SCSS

$custom: #4381ea;
$custom-light: #8ba5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4381ea",
  "rgb": {
    "r": 67,
    "g": 129,
    "b": 234
  },
  "hsl": {
    "h": 217.725,
    "s": 79.904,
    "l": 59.02
  },
  "oklch": {
    "l": 0.61586,
    "c": 0.17123,
    "h": 260.3
  },
  "luminance": 0.22834
}

Semantic roles & 50–950 ramp

primary

#4381EA

secondary

#E5CDA4

accent

#AD31F6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F17

muted

#7E7F85

Preview Lab

Preview with #4381EA

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

Preview Lab → · Contrast checker → · Palette generator →