#437EC7#437EC7

#437EC7 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.8% C 0.128 H 254.9°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#437EC7
RGB	rgb(67, 126, 199)
HSL	hsl(213, 54%, 52%)
HSV	hsv(213, 66%, 78%)
CMYK	cmyk(66.3%, 36.7%, 0%, 22%)
CIE-LAB	lab(52.10, 4.24, -43.65)
CIE-LCH	lch(52.10, 43.85, 275.55°)
OKLab	oklab(58.79% -0.0335 -0.124)
OKLCH	oklch(58.79% 0.128 254.9)
XYZ	xyz(20.0806, 20.2365, 56.8695)
Luminance	0.2024 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EC7 #C78C43

analogous

#43C0C7 #437EC7 #4A43C7

triadic

#437EC7 #C7437E #7EC743

tetradic

#437EC7 #C743C0 #C78C43 #43C74A

square

#437EC7 #C743C0 #C78C43 #43C74A

split-complementary

#437EC7 #C74A43 #C0C743

monochromatic

#21446F #2F619E #437EC7 #729ED5 #A1BFE3

Accessibility & contrast

On white

4.16

#437EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#437EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EC7

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EC7	#FFFFFF	#000000	##000000
##437EC7	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CA

Deuteranopia (green-blind)

#4B77C6

Tritanopia (blue-blind)

#008F99

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437ec7;
/* rgb */ color: rgb(67, 126, 199);
/* oklch */ color: oklch(58.8% 0.128 254.9);

Tailwind

colors: {
  custom: {
    50: '#85a3d8',
    500: '#437ec7',
    950: '#000000',
  },
}

SCSS

$custom: #437ec7;
$custom-light: #85a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#437ec7",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 199
  },
  "hsl": {
    "h": 213.182,
    "s": 54.098,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58786,
    "c": 0.12843,
    "h": 254.9
  },
  "luminance": 0.20239
}

Semantic roles & 50–950 ramp

primary

#437EC7

secondary

#D0B696

accent

#9C4ADD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #437EC7

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

Preview Lab → · Contrast checker → · Palette generator →