#337BAE#337BAE

#337BAE is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.1% C 0.107 H 242.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#337BAE
RGB	rgb(51, 123, 174)
HSL	hsl(205, 55%, 44%)
HSV	hsv(205, 71%, 68%)
CMYK	cmyk(70.7%, 29.3%, 0%, 31.8%)
CIE-LAB	lab(49.40, -5.35, -33.57)
CIE-LCH	lch(49.40, 33.99, 260.95°)
OKLab	oklab(56.1% -0.0485 -0.0948)
OKLCH	oklch(56.1% 0.107 242.9)
XYZ	xyz(16.0852, 17.9240, 42.6481)
Luminance	0.1793 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#337BAE #AE6633

analogous

#33AEA4 #337BAE #333EAE

triadic

#337BAE #AE337B #7BAE33

tetradic

#337BAE #A433AE #AE6633 #3EAE33

square

#337BAE #A433AE #AE6633 #3EAE33

split-complementary

#337BAE #AE333E #AEA433

monochromatic

#17384F #255A7F #337BAE #529ACC #81B5DA

Accessibility & contrast

On white

4.58

#337BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#337BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #337BAE

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##337BAE	#FFFFFF	#000000	##000000
##337BAE	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647CB0

Deuteranopia (green-blind)

#5370AD

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #337bae;
/* rgb */ color: rgb(51, 123, 174);
/* oklch */ color: oklch(56.1% 0.107 242.9);

Tailwind

colors: {
  custom: {
    50: '#7aa1c6',
    500: '#337bae',
    950: '#000000',
  },
}

SCSS

$custom: #337bae;
$custom-light: #7aa1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#337bae",
  "rgb": {
    "r": 51,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 204.878,
    "s": 54.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.56098,
    "c": 0.10653,
    "h": 242.9
  },
  "luminance": 0.17926
}

Semantic roles & 50–950 ramp

primary

#337BAE

secondary

#C39879

accent

#874ADE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #337BAE

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

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