#437E9F#437E9F

#437E9F is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.7% C 0.080 H 235.1°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#437E9F
RGB	rgb(67, 126, 159)
HSL	hsl(202, 41%, 44%)
HSV	hsv(202, 58%, 62%)
CMYK	cmyk(57.9%, 20.8%, 0%, 37.6%)
CIE-LAB	lab(50.24, -9.24, -23.51)
CIE-LCH	lch(50.24, 25.26, 248.54°)
OKLab	oklab(56.7% -0.0458 -0.0656)
OKLCH	oklch(56.7% 0.08 235.1)
XYZ	xyz(16.0313, 18.6167, 35.5427)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437E9F #9F6443

analogous

#439F92 #437E9F #43509F

triadic

#437E9F #9F437E #7E9F43

tetradic

#437E9F #92439F #9F6443 #509F43

square

#437E9F #92439F #9F6443 #509F43

split-complementary

#437E9F #9F4350 #9F9243

monochromatic

#1F3A49 #315C74 #437E9F #629CBD #8DB7CF

Accessibility & contrast

On white

4.45

#437E9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#437E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437E9F

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437E9F	#FFFFFF	#000000	##000000
##437E9F	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7DA1

Deuteranopia (green-blind)

#62739E

Tritanopia (blue-blind)

#008789

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #437e9f;
/* rgb */ color: rgb(67, 126, 159);
/* oklch */ color: oklch(56.7% 0.080 235.1);

Tailwind

colors: {
  custom: {
    50: '#7fa3bb',
    500: '#437e9f',
    950: '#000000',
  },
}

SCSS

$custom: #437e9f;
$custom-light: #7fa3bb;
$custom-dark: #000000;

JSON

{
  "hex": "#437e9f",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 159
  },
  "hsl": {
    "h": 201.522,
    "s": 40.708,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56702,
    "c": 0.08004,
    "h": 235.1
  },
  "luminance": 0.18618
}

Semantic roles & 50–950 ramp

primary

#437E9F

secondary

#BA9784

accent

#8357D1

background

#F8FAFB

surface

#EFF3F6

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #437E9F

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

Preview Lab → · Contrast checker → · Palette generator →