#437CA5#437CA5

#437CA5 is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.088 H 241.8°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#437CA5
RGB	rgb(67, 124, 165)
HSL	hsl(205, 42%, 45%)
HSV	hsv(205, 59%, 65%)
CMYK	cmyk(59.4%, 24.8%, 0%, 35.3%)
CIE-LAB	lab(49.89, -6.14, -27.54)
CIE-LCH	lch(49.89, 28.22, 257.44°)
OKLab	oklab(56.51% -0.0414 -0.0772)
OKLCH	oklch(56.51% 0.088 241.8)
XYZ	xyz(16.3114, 18.3237, 38.2673)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437CA5 #A56C43

analogous

#43A59D #437CA5 #434BA5

triadic

#437CA5 #A5437C #7CA543

tetradic

#437CA5 #9D43A5 #A56C43 #4BA543

square

#437CA5 #9D43A5 #A56C43 #4BA543

split-complementary

#437CA5 #A5434B #A59D43

monochromatic

#203B4E #315B79 #437CA5 #659AC0 #90B7D2

Accessibility & contrast

On white

4.50

#437CA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#437CA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437CA5

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437CA5	#FFFFFF	#000000	##000000
##437CA5	1.00	4.50	4.67	4.67
#FFFFFF	4.50	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)

#6A7CA7

Deuteranopia (green-blind)

#5D72A4

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #437ca5;
/* rgb */ color: rgb(67, 124, 165);
/* oklch */ color: oklch(56.5% 0.088 241.8);

Tailwind

colors: {
  custom: {
    50: '#7fa1c0',
    500: '#437ca5',
    950: '#000000',
  },
}

SCSS

$custom: #437ca5;
$custom-light: #7fa1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#437ca5",
  "rgb": {
    "r": 67,
    "g": 124,
    "b": 165
  },
  "hsl": {
    "h": 205.102,
    "s": 42.241,
    "l": 45.49
  },
  "oklch": {
    "l": 0.56509,
    "c": 0.0876,
    "h": 241.8
  },
  "luminance": 0.18325
}

Semantic roles & 50–950 ramp

primary

#437CA5

secondary

#BD9D86

accent

#8A56D2

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #437CA5

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

Preview Lab → · Contrast checker → · Palette generator →