#337ADC#337ADC

#337ADC is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.6% C 0.166 H 257.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#337ADC
RGB	rgb(51, 122, 220)
HSL	hsl(215, 71%, 53%)
HSV	hsv(215, 77%, 86%)
CMYK	cmyk(76.8%, 44.5%, 0%, 13.7%)
CIE-LAB	lab(51.60, 12.05, -56.39)
CIE-LCH	lch(51.60, 57.67, 282.06°)
OKLab	oklab(58.62% -0.0361 -0.1617)
OKLCH	oklch(58.62% 0.166 257.4)
XYZ	xyz(21.2383, 19.7877, 70.3963)
Luminance	0.1979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337ADC #DC9533

analogous

#33CEDC #337ADC #4033DC

triadic

#337ADC #DC337A #7ADC33

tetradic

#337ADC #DC33CE #DC9533 #33DC40

square

#337ADC #DC33CE #DC9533 #33DC40

split-complementary

#337ADC #DC4033 #CEDC33

monochromatic

#16427F #1F5DB3 #337ADC #679CE5 #9BBEEE

Accessibility & contrast

On white

4.24

#337ADC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#337ADC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337ADC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337ADC	#FFFFFF	#000000	##000000
##337ADC	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4783E0

Deuteranopia (green-blind)

#2374DA

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #337adc;
/* rgb */ color: rgb(51, 122, 220);
/* oklch */ color: oklch(58.6% 0.166 257.4);

Tailwind

colors: {
  custom: {
    50: '#829fe7',
    500: '#337adc',
    950: '#000000',
  },
}

SCSS

$custom: #337adc;
$custom-light: #829fe7;
$custom-dark: #000000;

JSON

{
  "hex": "#337adc",
  "rgb": {
    "r": 51,
    "g": 122,
    "b": 220
  },
  "hsl": {
    "h": 214.793,
    "s": 70.711,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58619,
    "c": 0.16566,
    "h": 257.4
  },
  "luminance": 0.1979
}

Semantic roles & 50–950 ramp

primary

#337ADC

secondary

#DABB91

accent

#A23AED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #337ADC

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

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