#337EBE#337EBE

#337EBE is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.7% C 0.123 H 247.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#337EBE
RGB	rgb(51, 126, 190)
HSL	hsl(208, 58%, 47%)
HSV	hsv(208, 73%, 75%)
CMYK	cmyk(73.2%, 33.7%, 0%, 25.5%)
CIE-LAB	lab(51.08, -1.40, -40.15)
CIE-LCH	lch(51.08, 40.17, 268.00°)
OKLab	oklab(57.68% -0.0466 -0.114)
OKLCH	oklch(57.68% 0.123 247.7)
XYZ	xyz(18.1168, 19.3412, 51.4836)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337EBE #BE7333

analogous

#33BEB9 #337EBE #3339BE

triadic

#337EBE #BE337E #7EBE33

tetradic

#337EBE #B933BE #BE7333 #39BE33

square

#337EBE #B933BE #BE7333 #39BE33

split-complementary

#337EBE #BE3339 #BEB933

monochromatic

#193E5E #265E8E #337EBE #5B9CD3 #8BB9E0

Accessibility & contrast

On white

4.31

#337EBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#337EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337EBE

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337EBE	#FFFFFF	#000000	##000000
##337EBE	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#4D74BD

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #337ebe;
/* rgb */ color: rgb(51, 126, 190);
/* oklch */ color: oklch(57.7% 0.123 247.7);

Tailwind

colors: {
  custom: {
    50: '#7ca3d2',
    500: '#337ebe',
    950: '#000000',
  },
}

SCSS

$custom: #337ebe;
$custom-light: #7ca3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#337ebe",
  "rgb": {
    "r": 51,
    "g": 126,
    "b": 190
  },
  "hsl": {
    "h": 207.626,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.5768,
    "c": 0.12314,
    "h": 247.7
  },
  "luminance": 0.19343
}

Semantic roles & 50–950 ramp

primary

#337EBE

secondary

#CAA483

accent

#8E47E1

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #337EBE

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

Preview Lab → · Contrast checker → · Palette generator →