#437FBD#437FBD

#437FBD is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.114 H 251.1°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#437FBD
RGB	rgb(67, 127, 189)
HSL	hsl(210, 48%, 50%)
HSV	hsv(210, 65%, 74%)
CMYK	cmyk(64.6%, 32.8%, 0%, 25.9%)
CIE-LAB	lab(51.89, 0.18, -38.27)
CIE-LCH	lch(51.89, 38.27, 270.26°)
OKLab	oklab(58.45% -0.0371 -0.1083)
OKLCH	oklch(58.45% 0.114 251.1)
XYZ	xyz(19.0860, 20.0443, 50.9973)
Luminance	0.2005 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FBD #BD8143

analogous

#43BCBD #437FBD #4443BD

triadic

#437FBD #BD437F #7FBD43

tetradic

#437FBD #BD43BC #BD8143 #43BD44

square

#437FBD #BD43BC #BD8143 #43BD44

split-complementary

#437FBD #BD4443 #BCBD43

monochromatic

#234263 #336190 #437FBD #709ECD #9EBDDD

Accessibility & contrast

On white

4.19

#437FBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#437FBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FBD

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FBD	#FFFFFF	#000000	##000000
##437FBD	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C0

Deuteranopia (green-blind)

#5376BC

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437fbd;
/* rgb */ color: rgb(67, 127, 189);
/* oklch */ color: oklch(58.5% 0.114 251.1);

Tailwind

colors: {
  custom: {
    50: '#83a3d1',
    500: '#437fbd',
    950: '#000000',
  },
}

SCSS

$custom: #437fbd;
$custom-light: #83a3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#437fbd",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 189
  },
  "hsl": {
    "h": 210.492,
    "s": 48.031,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58451,
    "c": 0.11449,
    "h": 251.1
  },
  "luminance": 0.20046
}

Semantic roles & 50–950 ramp

primary

#437FBD

secondary

#C9AE93

accent

#9550D8

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #437FBD

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

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