#437AC7#437AC7

#437AC7 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 57.9% C 0.133 H 257.2°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#437AC7
RGB	rgb(67, 122, 199)
HSL	hsl(215, 54%, 52%)
HSV	hsv(215, 66%, 78%)
CMYK	cmyk(66.3%, 38.7%, 0%, 22%)
CIE-LAB	lab(50.96, 6.68, -45.46)
CIE-LCH	lch(50.96, 45.95, 278.35°)
OKLab	oklab(57.89% -0.0295 -0.1293)
OKLCH	oklch(57.89% 0.133 257.2)
XYZ	xyz(19.5794, 19.2339, 56.7024)
Luminance	0.1924 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437AC7 #C79043

analogous

#43BCC7 #437AC7 #4E43C7

triadic

#437AC7 #C7437A #7AC743

tetradic

#437AC7 #C743BC #C79043 #43C74E

square

#437AC7 #C743BC #C79043 #43C74E

split-complementary

#437AC7 #C74E43 #BCC743

monochromatic

#21416F #2F5D9E #437AC7 #729BD5 #A1BDE3

Accessibility & contrast

On white

4.33

#437AC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#437AC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437AC7

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437AC7	#FFFFFF	#000000	##000000
##437AC7	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5780CA

Deuteranopia (green-blind)

#4474C5

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #437ac7;
/* rgb */ color: rgb(67, 122, 199);
/* oklch */ color: oklch(57.9% 0.133 257.2);

Tailwind

colors: {
  custom: {
    50: '#85a0d8',
    500: '#437ac7',
    950: '#000000',
  },
}

SCSS

$custom: #437ac7;
$custom-light: #85a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#437ac7",
  "rgb": {
    "r": 67,
    "g": 122,
    "b": 199
  },
  "hsl": {
    "h": 215,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.57894,
    "c": 0.13266,
    "h": 257.2
  },
  "luminance": 0.19236
}

Semantic roles & 50–950 ramp

primary

#437AC7

secondary

#D0B896

accent

#A04ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #437AC7

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

Preview Lab → · Contrast checker → · Palette generator →