#438FFF#438FFF

#438FFF is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.9% C 0.183 H 258.3°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#438FFF
RGB	rgb(67, 143, 255)
HSL	hsl(216, 100%, 63%)
HSV	hsv(216, 74%, 100%)
CMYK	cmyk(73.7%, 43.9%, 0%, 0%)
CIE-LAB	lab(59.94, 13.79, -62.44)
CIE-LCH	lch(59.94, 63.95, 282.46°)
OKLab	oklab(65.87% -0.0371 -0.1789)
OKLCH	oklch(65.87% 0.183 258.3)
XYZ	xyz(30.1806, 28.0548, 98.4129)
Luminance	0.2806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#438FFF #FFB343

analogous

#43EDFF #438FFF #5543FF

triadic

#438FFF #FF438F #8FFF43

tetradic

#438FFF #FF43ED #FFB343 #43FF55

square

#438FFF #FF43ED #FFB343 #43FF55

split-complementary

#438FFF #FF5543 #EDFF43

monochromatic

#0051C8 #066BFF #438FFF #80B3FF #BDD8FF

Accessibility & contrast

On white

3.18

#438FFF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#438FFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #438FFF

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##438FFF	#FFFFFF	#000000	##000000
##438FFF	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#569AFF

Deuteranopia (green-blind)

#3088FD

Tritanopia (blue-blind)

#00A9BB

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #438fff;
/* rgb */ color: rgb(67, 143, 255);
/* oklch */ color: oklch(65.9% 0.183 258.3);

Tailwind

colors: {
  custom: {
    50: '#8eafff',
    500: '#438fff',
    950: '#000000',
  },
}

SCSS

$custom: #438fff;
$custom-light: #8eafff;
$custom-dark: #000000;

JSON

{
  "hex": "#438fff",
  "rgb": {
    "r": 67,
    "g": 143,
    "b": 255
  },
  "hsl": {
    "h": 215.745,
    "s": 100,
    "l": 63.137
  },
  "oklch": {
    "l": 0.65872,
    "c": 0.1827,
    "h": 258.3
  },
  "luminance": 0.28058
}

Semantic roles & 50–950 ramp

primary

#438FFF

secondary

#F1D5AD

accent

#8900E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1018

muted

#7E7F86

Preview Lab

Preview with #438FFF

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

Preview Lab → · Contrast checker → · Palette generator →