#437FBA#437FBA

#437FBA is a mid, moderate cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.111 H 249.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#437FBA
RGB	rgb(67, 127, 186)
HSL	hsl(210, 47%, 50%)
HSV	hsv(210, 64%, 73%)
CMYK	cmyk(64%, 31.7%, 0%, 27.1%)
CIE-LAB	lab(51.74, -0.85, -36.78)
CIE-LCH	lch(51.74, 36.79, 268.67°)
OKLab	oklab(58.29% -0.038 -0.1039)
OKLCH	oklch(58.29% 0.111 249.9)
XYZ	xyz(18.7638, 19.9154, 49.3001)
Luminance	0.1992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#437FBA #BA7E43

analogous

#43BABA #437FBA #4343BA

triadic

#437FBA #BA437F #7FBA43

tetradic

#437FBA #BA43BA #BA7E43 #43BA43

square

#437FBA #BA43BA #BA7E43 #43BA43

split-complementary

#437FBA #BA4343 #BABA43

monochromatic

#234260 #33608D #437FBA #6F9DCB #9CBCDB

Accessibility & contrast

On white

4.21

#437FBA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#437FBA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #437FBA

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##437FBA	#FFFFFF	#000000	##000000
##437FBA	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6582BD

Deuteranopia (green-blind)

#5576B9

Tritanopia (blue-blind)

#008D94

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #437fba;
/* rgb */ color: rgb(67, 127, 186);
/* oklch */ color: oklch(58.3% 0.111 249.9);

Tailwind

colors: {
  custom: {
    50: '#82a3cf',
    500: '#437fba',
    950: '#000000',
  },
}

SCSS

$custom: #437fba;
$custom-light: #82a3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#437fba",
  "rgb": {
    "r": 67,
    "g": 127,
    "b": 186
  },
  "hsl": {
    "h": 209.748,
    "s": 47.036,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58289,
    "c": 0.11068,
    "h": 249.9
  },
  "luminance": 0.19917
}

Semantic roles & 50–950 ramp

primary

#437FBA

secondary

#C8AC91

accent

#9351D7

background

#F8FAFC

surface

#F0F3F9

border

#CBCDD2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #437FBA

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

Preview Lab → · Contrast checker → · Palette generator →