#437EBC#437EBC

#437EBC is a mid, moderate cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.114 H 251.4°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#437EBC
RGB	rgb(67, 126, 188)
HSL	hsl(211, 47%, 50%)
HSV	hsv(211, 64%, 74%)
CMYK	cmyk(64.4%, 33%, 0%, 26.3%)
CIE-LAB	lab(51.55, 0.43, -38.24)
CIE-LCH	lch(51.55, 38.24, 270.64°)
OKLab	oklab(58.17% -0.0364 -0.1082)
OKLCH	oklch(58.17% 0.114 251.4)
XYZ	xyz(18.8494, 19.7440, 50.3848)
Luminance	0.1975 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437EBC #BC8143

analogous

#43BABC #437EBC #4543BC

triadic

#437EBC #BC437E #7EBC43

tetradic

#437EBC #BC43BA #BC8143 #43BC45

square

#437EBC #BC43BA #BC8143 #43BC45

split-complementary

#437EBC #BC4543 #BABC43

monochromatic

#234262 #33608F #437EBC #709DCC #9DBCDC

Accessibility & contrast

On white

4.24

#437EBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#437EBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437EBC

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437EBC	#FFFFFF	#000000	##000000
##437EBC	1.00	4.24	4.95	4.95
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6381BF

Deuteranopia (green-blind)

#5376BB

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #437ebc;
/* rgb */ color: rgb(67, 126, 188);
/* oklch */ color: oklch(58.2% 0.114 251.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#437ebc",
  "rgb": {
    "r": 67,
    "g": 126,
    "b": 188
  },
  "hsl": {
    "h": 210.744,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.58168,
    "c": 0.11414,
    "h": 251.4
  },
  "luminance": 0.19746
}

Semantic roles & 50–950 ramp

primary

#437EBC

secondary

#C9AE92

accent

#9651D7

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0C0F14

muted

#7D7E82

Preview Lab

Preview with #437EBC

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

Preview Lab → · Contrast checker → · Palette generator →