#437BBE#437BBE

#437BBE is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.120 H 254.1°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#437BBE
RGB	rgb(67, 123, 190)
HSL	hsl(213, 49%, 50%)
HSV	hsv(213, 65%, 75%)
CMYK	cmyk(64.7%, 35.3%, 0%, 25.5%)
CIE-LAB	lab(50.77, 2.92, -40.60)
CIE-LCH	lch(50.77, 40.71, 274.12°)
OKLab	oklab(57.6% -0.0327 -0.1151)
OKLCH	oklch(57.6% 0.12 254.1)
XYZ	xyz(18.6886, 19.0751, 51.4022)
Luminance	0.1908 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437BBE #BE8643

analogous

#43B9BE #437BBE #4843BE

triadic

#437BBE #BE437B #7BBE43

tetradic

#437BBE #BE43B9 #BE8643 #43BE48

square

#437BBE #BE43B9 #BE8643 #43BE48

split-complementary

#437BBE #BE4843 #B9BE43

monochromatic

#234064 #325E91 #437BBE #709BCE #9EBBDD

Accessibility & contrast

On white

4.36

#437BBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#437BBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437BBE

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437BBE	#FFFFFF	#000000	##000000
##437BBE	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7FC1

Deuteranopia (green-blind)

#4D74BD

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #437bbe;
/* rgb */ color: rgb(67, 123, 190);
/* oklch */ color: oklch(57.6% 0.120 254.1);

Tailwind

colors: {
  custom: {
    50: '#83a0d2',
    500: '#437bbe',
    950: '#000000',
  },
}

SCSS

$custom: #437bbe;
$custom-light: #83a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#437bbe",
  "rgb": {
    "r": 67,
    "g": 123,
    "b": 190
  },
  "hsl": {
    "h": 212.683,
    "s": 48.617,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57596,
    "c": 0.11967,
    "h": 254.1
  },
  "luminance": 0.19077
}

Semantic roles & 50–950 ramp

primary

#437BBE

secondary

#CAB193

accent

#9A50D8

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0E14

muted

#7D7E82

Preview Lab

Preview with #437BBE

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

Preview Lab → · Contrast checker → · Palette generator →