#337DAC#337DAC

#337DAC is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.5% C 0.103 H 240.1°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#337DAC
RGB	rgb(51, 125, 172)
HSL	hsl(203, 54%, 44%)
HSV	hsv(203, 70%, 67%)
CMYK	cmyk(70.3%, 27.3%, 0%, 32.5%)
CIE-LAB	lab(49.92, -7.22, -31.61)
CIE-LCH	lch(49.92, 32.42, 257.13°)
OKLab	oklab(56.47% -0.0512 -0.0891)
OKLCH	oklch(56.47% 0.103 240.1)
XYZ	xyz(16.1424, 18.3478, 41.7125)
Luminance	0.1835 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337DAC #AC6233

analogous

#33AC9E #337DAC #3340AC

triadic

#337DAC #AC337D #7DAC33

tetradic

#337DAC #9E33AC #AC6233 #40AC33

square

#337DAC #9E33AC #AC6233 #40AC33

split-complementary

#337DAC #AC3340 #AC9E33

monochromatic

#17384E #255B7D #337DAC #519CCB #80B7D9

Accessibility & contrast

On white

4.50

#337DAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#337DAC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337DAC

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337DAC	#FFFFFF	#000000	##000000
##337DAC	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)

#677DAE

Deuteranopia (green-blind)

#5772AB

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #337dac;
/* rgb */ color: rgb(51, 125, 172);
/* oklch */ color: oklch(56.5% 0.103 240.1);

Tailwind

colors: {
  custom: {
    50: '#79a2c5',
    500: '#337dac',
    950: '#000000',
  },
}

SCSS

$custom: #337dac;
$custom-light: #79a2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#337dac",
  "rgb": {
    "r": 51,
    "g": 125,
    "b": 172
  },
  "hsl": {
    "h": 203.306,
    "s": 54.26,
    "l": 43.725
  },
  "oklch": {
    "l": 0.56472,
    "c": 0.10279,
    "h": 240.1
  },
  "luminance": 0.1835
}

Semantic roles & 50–950 ramp

primary

#337DAC

secondary

#C29578

accent

#834ADE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #337DAC

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

Preview Lab → · Contrast checker → · Palette generator →