#437CA6#437CA6

#437CA6 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.089 H 242.5°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#437CA6
RGB	rgb(67, 124, 166)
HSL	hsl(205, 42%, 46%)
HSV	hsv(205, 60%, 65%)
CMYK	cmyk(59.6%, 25.3%, 0%, 34.9%)
CIE-LAB	lab(49.93, -5.81, -28.06)
CIE-LCH	lch(49.93, 28.65, 258.31°)
OKLab	oklab(56.56% -0.041 -0.0787)
OKLCH	oklch(56.56% 0.089 242.5)
XYZ	xyz(16.4028, 18.3603, 38.7485)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CA6 #A66D43

analogous

#43A69E #437CA6 #434AA6

triadic

#437CA6 #A6437C #7CA643

tetradic

#437CA6 #9E43A6 #A66D43 #4AA643

square

#437CA6 #9E43A6 #A66D43 #4AA643

split-complementary

#437CA6 #A6434A #A69E43

monochromatic

#203B4F #315B7A #437CA6 #659AC1 #91B7D3

Accessibility & contrast

On white

4.49

#437CA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#437CA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CA6

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CA6	#FFFFFF	#000000	##000000
##437CA6	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA8

Deuteranopia (green-blind)

#5C72A5

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #437ca6;
/* rgb */ color: rgb(67, 124, 166);
/* oklch */ color: oklch(56.6% 0.089 242.5);

Tailwind

colors: {
  custom: {
    50: '#80a1c0',
    500: '#437ca6',
    950: '#000000',
  },
}

SCSS

$custom: #437ca6;
$custom-light: #80a1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#437ca6",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 166
  },
  "hsl": {
    "h": 205.455,
    "s": 42.489,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56558,
    "c": 0.08875,
    "h": 242.5
  },
  "luminance": 0.18362
}

Semantic roles & 50–950 ramp

primary

#437CA6

secondary

#BE9E87

accent

#8A56D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #437CA6

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

Preview Lab → · Contrast checker → · Palette generator →