#337CDC#337CDC

#337CDC is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 59.1% C 0.163 H 256.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#337CDC
RGB	rgb(51, 124, 220)
HSL	hsl(214, 71%, 53%)
HSV	hsv(214, 77%, 86%)
CMYK	cmyk(76.8%, 43.6%, 0%, 13.7%)
CIE-LAB	lab(52.16, 10.81, -55.50)
CIE-LCH	lch(52.16, 56.54, 281.02°)
OKLab	oklab(59.05% -0.0377 -0.159)
OKLCH	oklch(59.05% 0.163 256.6)
XYZ	xyz(21.4864, 20.2839, 70.4790)
Luminance	0.2029 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337CDC #DC9333

analogous

#33D0DC #337CDC #3E33DC

triadic

#337CDC #DC337C #7CDC33

tetradic

#337CDC #DC33D0 #DC9333 #33DC3E

square

#337CDC #DC33D0 #DC9333 #33DC3E

split-complementary

#337CDC #DC3E33 #D0DC33

monochromatic

#16437F #1F5FB3 #337CDC #679EE5 #9BBFEE

Accessibility & contrast

On white

4.15

#337CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#337CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337CDC

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337CDC	#FFFFFF	#000000	##000000
##337CDC	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B85E0

Deuteranopia (green-blind)

#2975DA

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #337cdc;
/* rgb */ color: rgb(51, 124, 220);
/* oklch */ color: oklch(59.1% 0.163 256.6);

Tailwind

colors: {
  custom: {
    50: '#82a1e7',
    500: '#337cdc',
    950: '#000000',
  },
}

SCSS

$custom: #337cdc;
$custom-light: #82a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#337cdc",
  "rgb": {
    "r": 51,
    "g": 124,
    "b": 220
  },
  "hsl": {
    "h": 214.083,
    "s": 70.711,
    "l": 53.137
  },
  "oklch": {
    "l": 0.59053,
    "c": 0.16343,
    "h": 256.6
  },
  "luminance": 0.20286
}

Semantic roles & 50–950 ramp

primary

#337CDC

secondary

#DABA91

accent

#A03AED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #337CDC

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

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