#437BA5#437BA5

#437BA5 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.088 H 242.9°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#437BA5
RGB	rgb(67, 123, 165)
HSL	hsl(206, 42%, 45%)
HSV	hsv(206, 59%, 65%)
CMYK	cmyk(59.4%, 25.5%, 0%, 35.3%)
CIE-LAB	lab(49.59, -5.55, -28.01)
CIE-LCH	lch(49.59, 28.56, 258.79°)
OKLab	oklab(56.27% -0.0402 -0.0786)
OKLCH	oklch(56.27% 0.088 242.9)
XYZ	xyz(16.1867, 18.0743, 38.2257)
Luminance	0.1808 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BA5 #A56D43

analogous

#43A59E #437BA5 #434AA5

triadic

#437BA5 #A5437B #7BA543

tetradic

#437BA5 #9E43A5 #A56D43 #4AA543

square

#437BA5 #9E43A5 #A56D43 #4AA543

split-complementary

#437BA5 #A5434A #A59E43

monochromatic

#203A4E #315B79 #437BA5 #6599C0 #90B6D2

Accessibility & contrast

On white

4.55

#437BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#437BA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BA5

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BA5	#FFFFFF	#000000	##000000
##437BA5	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697BA7

Deuteranopia (green-blind)

#5B72A4

Tritanopia (blue-blind)

#008589

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #437ba5;
/* rgb */ color: rgb(67, 123, 165);
/* oklch */ color: oklch(56.3% 0.088 242.9);

Tailwind

colors: {
  custom: {
    50: '#7fa1c0',
    500: '#437ba5',
    950: '#000000',
  },
}

SCSS

$custom: #437ba5;
$custom-light: #7fa1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#437ba5",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 165
  },
  "hsl": {
    "h": 205.714,
    "s": 42.241,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56272,
    "c": 0.08827,
    "h": 242.9
  },
  "luminance": 0.18076
}

Semantic roles & 50–950 ramp

primary

#437BA5

secondary

#BD9E86

accent

#8B56D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0E12

muted

#7C7E81

Preview Lab

Preview with #437BA5

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

Preview Lab → · Contrast checker → · Palette generator →