#437BAF#437BAF

#437BAF is a mid, moderate cyan. Relative luminance 0.185; OKLCH L 56.8% C 0.100 H 248.4°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#437BAF
RGB	rgb(67, 123, 175)
HSL	hsl(209, 45%, 47%)
HSV	hsv(209, 62%, 69%)
CMYK	cmyk(61.7%, 29.7%, 0%, 31.4%)
CIE-LAB	lab(50.04, -2.21, -33.11)
CIE-LCH	lch(50.04, 33.18, 266.17°)
OKLab	oklab(56.78% -0.037 -0.0933)
OKLCH	oklch(56.78% 0.1 248.4)
XYZ	xyz(17.1327, 18.4527, 43.2080)
Luminance	0.1845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BAF #AF7743

analogous

#43AFAD #437BAF #4345AF

triadic

#437BAF #AF437B #7BAF43

tetradic

#437BAF #AD43AF #AF7743 #45AF43

square

#437BAF #AD43AF #AF7743 #45AF43

split-complementary

#437BAF #AF4345 #AFAD43

monochromatic

#213D56 #325C83 #437BAF #6999C6 #96B7D7

Accessibility & contrast

On white

4.48

#437BAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#437BAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BAF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BAF	#FFFFFF	#000000	##000000
##437BAF	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657DB1

Deuteranopia (green-blind)

#5672AE

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #437baf;
/* rgb */ color: rgb(67, 123, 175);
/* oklch */ color: oklch(56.8% 0.100 248.4);

Tailwind

colors: {
  custom: {
    50: '#81a1c7',
    500: '#437baf',
    950: '#000000',
  },
}

SCSS

$custom: #437baf;
$custom-light: #81a1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#437baf",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 175
  },
  "hsl": {
    "h": 208.889,
    "s": 44.628,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5678,
    "c": 0.10037,
    "h": 248.4
  },
  "luminance": 0.18454
}

Semantic roles & 50–950 ramp

primary

#437BAF

secondary

#C2A68B

accent

#9253D4

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #437BAF

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

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