#437EBF#437EBF

#437EBF is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.118 H 252.5°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#437EBF
RGB	rgb(67, 126, 191)
HSL	hsl(211, 49%, 51%)
HSV	hsv(211, 65%, 75%)
CMYK	cmyk(64.9%, 34%, 0%, 25.1%)
CIE-LAB	lab(51.70, 1.46, -39.72)
CIE-LCH	lch(51.70, 39.75, 272.11°)
OKLab	oklab(58.33% -0.0355 -0.1125)
OKLCH	oklch(58.33% 0.118 252.5)
XYZ	xyz(19.1761, 19.8747, 52.1057)
Luminance	0.1988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EBF #BF8443

analogous

#43BCBF #437EBF #4643BF

triadic

#437EBF #BF437E #7EBF43

tetradic

#437EBF #BF43BC #BF8443 #43BF46

square

#437EBF #BF43BC #BF8443 #43BF46

split-complementary

#437EBF #BF4643 #BCBF43

monochromatic

#224265 #326093 #437EBF #719DCF #9EBDDE

Accessibility & contrast

On white

4.22

#437EBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#437EBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EBF

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EBF	#FFFFFF	#000000	##000000
##437EBF	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6282C2

Deuteranopia (green-blind)

#5176BE

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #437ebf;
/* rgb */ color: rgb(67, 126, 191);
/* oklch */ color: oklch(58.3% 0.118 252.5);

Tailwind

colors: {
  custom: {
    50: '#83a3d2',
    500: '#437ebf',
    950: '#000000',
  },
}

SCSS

$custom: #437ebf;
$custom-light: #83a3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#437ebf",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 191
  },
  "hsl": {
    "h": 211.452,
    "s": 49.206,
    "l": 50.588
  },
  "oklch": {
    "l": 0.58333,
    "c": 0.118,
    "h": 252.5
  },
  "luminance": 0.19877
}

Semantic roles & 50–950 ramp

primary

#437EBF

secondary

#CAB093

accent

#974FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #437EBF

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

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