#437FBC#437FBC

#437FBC is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.113 H 250.7°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#437FBC
RGB	rgb(67, 127, 188)
HSL	hsl(210, 47%, 50%)
HSV	hsv(210, 64%, 74%)
CMYK	cmyk(64.4%, 32.4%, 0%, 26.3%)
CIE-LAB	lab(51.84, -0.17, -37.78)
CIE-LCH	lch(51.84, 37.78, 269.75°)
OKLab	oklab(58.4% -0.0374 -0.1068)
OKLCH	oklch(58.4% 0.113 250.7)
XYZ	xyz(18.9779, 20.0010, 50.4276)
Luminance	0.2000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FBC #BC8043

analogous

#43BBBC #437FBC #4443BC

triadic

#437FBC #BC437F #7FBC43

tetradic

#437FBC #BC43BB #BC8043 #43BC44

square

#437FBC #BC43BB #BC8043 #43BC44

split-complementary

#437FBC #BC4443 #BBBC43

monochromatic

#234262 #33618F #437FBC #709ECC #9DBCDC

Accessibility & contrast

On white

4.20

#437FBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#437FBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FBC

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FBC	#FFFFFF	#000000	##000000
##437FBC	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BF

Deuteranopia (green-blind)

#5476BB

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #437fbc;
/* rgb */ color: rgb(67, 127, 188);
/* oklch */ color: oklch(58.4% 0.113 250.7);

Tailwind

colors: {
  custom: {
    50: '#83a3d0',
    500: '#437fbc',
    950: '#000000',
  },
}

SCSS

$custom: #437fbc;
$custom-light: #83a3d0;
$custom-dark: #000000;

JSON

{
  "hex": "#437fbc",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 188
  },
  "hsl": {
    "h": 210.248,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.58396,
    "c": 0.11321,
    "h": 250.7
  },
  "luminance": 0.20003
}

Semantic roles & 50–950 ramp

primary

#437FBC

secondary

#C9AE92

accent

#9451D7

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #437FBC

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

Preview Lab → · Contrast checker → · Palette generator →