#437FBE#437FBE

#437FBE is a mid, moderate cyan. Relative luminance 0.201; OKLCH L 58.5% C 0.116 H 251.4°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#437FBE
RGB	rgb(67, 127, 190)
HSL	hsl(211, 49%, 50%)
HSV	hsv(211, 65%, 75%)
CMYK	cmyk(64.7%, 33.2%, 0%, 25.5%)
CIE-LAB	lab(51.94, 0.52, -38.77)
CIE-LCH	lch(51.94, 38.77, 270.77°)
OKLab	oklab(58.51% -0.0369 -0.1097)
OKLCH	oklch(58.51% 0.116 251.4)
XYZ	xyz(19.1950, 20.0878, 51.5710)
Luminance	0.2009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FBE #BE8243

analogous

#43BCBE #437FBE #4443BE

triadic

#437FBE #BE437F #7FBE43

tetradic

#437FBE #BE43BC #BE8243 #43BE44

square

#437FBE #BE43BC #BE8243 #43BE44

split-complementary

#437FBE #BE4443 #BCBE43

monochromatic

#234364 #326191 #437FBE #709ECE #9EBDDD

Accessibility & contrast

On white

4.18

#437FBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#437FBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FBE

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FBE	#FFFFFF	#000000	##000000
##437FBE	1.00	4.18	5.02	5.02
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6482C1

Deuteranopia (green-blind)

#5377BD

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437fbe;
/* rgb */ color: rgb(67, 127, 190);
/* oklch */ color: oklch(58.5% 0.116 251.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#437fbe",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 190
  },
  "hsl": {
    "h": 210.732,
    "s": 48.617,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58506,
    "c": 0.11576,
    "h": 251.4
  },
  "luminance": 0.2009
}

Semantic roles & 50–950 ramp

primary

#437FBE

secondary

#CAAF93

accent

#9650D8

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #437FBE

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

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