#3370AB#3370AB

#3370AB is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.3% C 0.112 H 250.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3370AB
RGB	rgb(51, 112, 171)
HSL	hsl(210, 54%, 44%)
HSV	hsv(210, 70%, 67%)
CMYK	cmyk(70.2%, 34.5%, 0%, 32.9%)
CIE-LAB	lab(45.95, 0.19, -37.26)
CIE-LCH	lch(45.95, 37.26, 270.29°)
OKLab	oklab(53.33% -0.0383 -0.1057)
OKLCH	oklch(53.33% 0.112 250.1)
XYZ	xyz(14.5074, 15.2309, 40.6955)
Luminance	0.1523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370AB #AB6E33

analogous

#33ABAA #3370AB #3334AB

triadic

#3370AB #AB3370 #70AB33

tetradic

#3370AB #AA33AB #AB6E33 #34AB33

square

#3370AB #AA33AB #AB6E33 #34AB33

split-complementary

#3370AB #AB3334 #ABAA33

monochromatic

#17324D #25517C #3370AB #508FCB #7FADD9

Accessibility & contrast

On white

5.19

#3370AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#3370AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370AB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370AB	#FFFFFF	#000000	##FFFFFF
##3370AB	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5673AD

Deuteranopia (green-blind)

#4568AA

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3370ab;
/* rgb */ color: rgb(51, 112, 171);
/* oklch */ color: oklch(53.3% 0.112 250.1);

Tailwind

colors: {
  custom: {
    50: '#7998c4',
    500: '#3370ab',
    950: '#000000',
  },
}

SCSS

$custom: #3370ab;
$custom-light: #7998c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3370ab",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 171
  },
  "hsl": {
    "h": 209.5,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.53327,
    "c": 0.11243,
    "h": 250.1
  },
  "luminance": 0.15232
}

Semantic roles & 50–950 ramp

primary

#3370AB

secondary

#C29C78

accent

#934ADD

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3370AB

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

Preview Lab → · Contrast checker → · Palette generator →