#336CBB#336CBB

#336CBB is a mid, vivid cyan. Relative luminance 0.150; OKLCH L 53.4% C 0.138 H 257.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#336CBB
RGB	rgb(51, 108, 187)
HSL	hsl(215, 57%, 47%)
HSV	hsv(215, 73%, 73%)
CMYK	cmyk(72.7%, 42.2%, 0%, 26.7%)
CIE-LAB	lab(45.65, 8.55, -47.04)
CIE-LCH	lch(45.65, 47.81, 280.31°)
OKLab	oklab(53.39% -0.0305 -0.1344)
OKLCH	oklch(53.39% 0.138 257.2)
XYZ	xyz(15.6942, 15.0151, 49.0752)
Luminance	0.1502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#336CBB #BB8233

analogous

#33B0BB #336CBB #3E33BB

triadic

#336CBB #BB336C #6CBB33

tetradic

#336CBB #BB33B0 #BB8233 #33BB3E

square

#336CBB #BB33B0 #BB8233 #33BB3E

split-complementary

#336CBB #BB3E33 #B0BB33

monochromatic

#19345B #26508B #336CBB #598CD2 #89ADDF

Accessibility & contrast

On white

5.25

#336CBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#336CBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #336CBB

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##336CBB	#FFFFFF	#000000	##FFFFFF
##336CBB	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4673BE

Deuteranopia (green-blind)

#2F66B9

Tritanopia (blue-blind)

#007E8A

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #336cbb;
/* rgb */ color: rgb(51, 108, 187);
/* oklch */ color: oklch(53.4% 0.138 257.2);

Tailwind

colors: {
  custom: {
    50: '#7c95d0',
    500: '#336cbb',
    950: '#000000',
  },
}

SCSS

$custom: #336cbb;
$custom-light: #7c95d0;
$custom-dark: #000000;

JSON

{
  "hex": "#336cbb",
  "rgb": {
    "r": 51,
    "g": 108,
    "b": 187
  },
  "hsl": {
    "h": 214.853,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.53385,
    "c": 0.13786,
    "h": 257.2
  },
  "luminance": 0.15017
}

Semantic roles & 50–950 ramp

primary

#336CBB

secondary

#C9AB81

accent

#A047E0

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #336CBB

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

Preview Lab → · Contrast checker → · Palette generator →