#437EA5#437EA5

#437EA5 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.086 H 239.6°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#437EA5
RGB	rgb(67, 126, 165)
HSL	hsl(204, 42%, 45%)
HSV	hsv(204, 59%, 65%)
CMYK	cmyk(59.4%, 23.6%, 0%, 35.3%)
CIE-LAB	lab(50.49, -7.30, -26.61)
CIE-LCH	lch(50.49, 27.59, 254.66°)
OKLab	oklab(56.99% -0.0436 -0.0745)
OKLCH	oklch(56.99% 0.086 239.6)
XYZ	xyz(16.5646, 18.8301, 38.3516)
Luminance	0.1883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EA5 #A56A43

analogous

#43A59B #437EA5 #434DA5

triadic

#437EA5 #A5437E #7EA543

tetradic

#437EA5 #9B43A5 #A56A43 #4DA543

square

#437EA5 #9B43A5 #A56A43 #4DA543

split-complementary

#437EA5 #A5434D #A59B43

monochromatic

#203C4E #315D79 #437EA5 #659CC0 #90B8D2

Accessibility & contrast

On white

4.41

#437EA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#437EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EA5

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EA5	#FFFFFF	#000000	##000000
##437EA5	1.00	4.41	4.77	4.77
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7EA7

Deuteranopia (green-blind)

#5F74A4

Tritanopia (blue-blind)

#00888B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #437ea5;
/* rgb */ color: rgb(67, 126, 165);
/* oklch */ color: oklch(57.0% 0.086 239.6);

Tailwind

colors: {
  custom: {
    50: '#80a3c0',
    500: '#437ea5',
    950: '#000000',
  },
}

SCSS

$custom: #437ea5;
$custom-light: #80a3c0;
$custom-dark: #000000;

JSON

{
  "hex": "#437ea5",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 165
  },
  "hsl": {
    "h": 203.878,
    "s": 42.241,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56985,
    "c": 0.08637,
    "h": 239.6
  },
  "luminance": 0.18832
}

Semantic roles & 50–950 ramp

primary

#437EA5

secondary

#BD9C86

accent

#8756D2

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #437EA5

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

Preview Lab → · Contrast checker → · Palette generator →