#3370AD#3370AD

#3370AD is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.4% C 0.115 H 250.9°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#3370AD
RGB	rgb(51, 112, 173)
HSL	hsl(210, 54%, 44%)
HSV	hsv(210, 71%, 68%)
CMYK	cmyk(70.5%, 35.3%, 0%, 32.2%)
CIE-LAB	lab(46.05, 0.92, -38.26)
CIE-LCH	lch(46.05, 38.27, 271.37°)
OKLab	oklab(53.44% -0.0377 -0.1086)
OKLCH	oklch(53.44% 0.115 250.9)
XYZ	xyz(14.6994, 15.3077, 41.7071)
Luminance	0.1531 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370AD #AD7033

analogous

#33ADAD #3370AD #3333AD

triadic

#3370AD #AD3370 #70AD33

tetradic

#3370AD #AD33AD #AD7033 #33AD33

square

#3370AD #AD33AD #AD7033 #33AD33

split-complementary

#3370AD #AD3333 #ADAD33

monochromatic

#17334E #25517E #3370AD #518FCC #81ADDA

Accessibility & contrast

On white

5.17

#3370AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#3370AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370AD

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370AD	#FFFFFF	#000000	##FFFFFF
##3370AD	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5573B0

Deuteranopia (green-blind)

#4368AC

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3370ad;
/* rgb */ color: rgb(51, 112, 173);
/* oklch */ color: oklch(53.4% 0.115 250.9);

Tailwind

colors: {
  custom: {
    50: '#7998c6',
    500: '#3370ad',
    950: '#000000',
  },
}

SCSS

$custom: #3370ad;
$custom-light: #7998c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3370ad",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 173
  },
  "hsl": {
    "h": 210,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53443,
    "c": 0.11501,
    "h": 250.9
  },
  "luminance": 0.15309
}

Semantic roles & 50–950 ramp

primary

#3370AD

secondary

#C39E79

accent

#944ADE

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3370AD

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

Preview Lab → · Contrast checker → · Palette generator →