#337EBD#337EBD

#337EBD is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.122 H 247.4°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#337EBD
RGB	rgb(51, 126, 189)
HSL	hsl(207, 58%, 47%)
HSV	hsv(207, 73%, 74%)
CMYK	cmyk(73%, 33.3%, 0%, 25.9%)
CIE-LAB	lab(51.03, -1.76, -39.66)
CIE-LCH	lch(51.03, 39.69, 267.45°)
OKLab	oklab(57.62% -0.0469 -0.1125)
OKLCH	oklch(57.62% 0.122 247.4)
XYZ	xyz(18.0079, 19.2976, 50.9100)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EBD #BD7233

analogous

#33BDB7 #337EBD #3339BD

triadic

#337EBD #BD337E #7EBD33

tetradic

#337EBD #B733BD #BD7233 #39BD33

square

#337EBD #B733BD #BD7233 #39BD33

split-complementary

#337EBD #BD3339 #BDB733

monochromatic

#193E5D #265E8D #337EBD #5B9CD3 #8BB9E0

Accessibility & contrast

On white

4.32

#337EBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#337EBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EBD

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EBD	#FFFFFF	#000000	##000000
##337EBD	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C0

Deuteranopia (green-blind)

#4E74BC

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #337ebd;
/* rgb */ color: rgb(51, 126, 189);
/* oklch */ color: oklch(57.6% 0.122 247.4);

Tailwind

colors: {
  custom: {
    50: '#7ca3d1',
    500: '#337ebd',
    950: '#000000',
  },
}

SCSS

$custom: #337ebd;
$custom-light: #7ca3d1;
$custom-dark: #000000;

JSON

{
  "hex": "#337ebd",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 189
  },
  "hsl": {
    "h": 207.391,
    "s": 57.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.57624,
    "c": 0.12192,
    "h": 247.4
  },
  "luminance": 0.193
}

Semantic roles & 50–950 ramp

primary

#337EBD

secondary

#CAA382

accent

#8D47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #337EBD

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

Preview Lab → · Contrast checker → · Palette generator →