#337BDC#337BDC

#337BDC is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.8% C 0.165 H 257.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#337BDC
RGB	rgb(51, 123, 220)
HSL	hsl(214, 71%, 53%)
HSV	hsv(214, 77%, 86%)
CMYK	cmyk(76.8%, 44.1%, 0%, 13.7%)
CIE-LAB	lab(51.88, 11.43, -55.94)
CIE-LCH	lch(51.88, 57.10, 281.54°)
OKLab	oklab(58.84% -0.0369 -0.1603)
OKLCH	oklch(58.84% 0.165 257)
XYZ	xyz(21.3617, 20.0345, 70.4375)
Luminance	0.2004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337BDC #DC9433

analogous

#33CFDC #337BDC #3F33DC

triadic

#337BDC #DC337B #7BDC33

tetradic

#337BDC #DC33CF #DC9433 #33DC3F

square

#337BDC #DC33CF #DC9433 #33DC3F

split-complementary

#337BDC #DC3F33 #CFDC33

monochromatic

#16437F #1F5EB3 #337BDC #679DE5 #9BBFEE

Accessibility & contrast

On white

4.19

#337BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#337BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337BDC

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337BDC	#FFFFFF	#000000	##000000
##337BDC	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4984E0

Deuteranopia (green-blind)

#2675DA

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #337bdc;
/* rgb */ color: rgb(51, 123, 220);
/* oklch */ color: oklch(58.8% 0.165 257.0);

Tailwind

colors: {
  custom: {
    50: '#82a0e7',
    500: '#337bdc',
    950: '#000000',
  },
}

SCSS

$custom: #337bdc;
$custom-light: #82a0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#337bdc",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 220
  },
  "hsl": {
    "h": 214.438,
    "s": 70.711,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58836,
    "c": 0.16455,
    "h": 257
  },
  "luminance": 0.20037
}

Semantic roles & 50–950 ramp

primary

#337BDC

secondary

#DABB91

accent

#A13AED

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #337BDC

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

Preview Lab → · Contrast checker → · Palette generator →