#3370AA#3370AA

#3370AA is a mid, moderate cyan. Relative luminance 0.152; OKLCH L 53.3% C 0.111 H 249.7°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3370AA
RGB	rgb(51, 112, 170)
HSL	hsl(209, 54%, 43%)
HSV	hsv(209, 70%, 67%)
CMYK	cmyk(70%, 34.1%, 0%, 33.3%)
CIE-LAB	lab(45.90, -0.17, -36.75)
CIE-LCH	lch(45.90, 36.75, 269.73°)
OKLab	oklab(53.27% -0.0386 -0.1042)
OKLCH	oklch(53.27% 0.111 249.7)
XYZ	xyz(14.4124, 15.1929, 40.1954)
Luminance	0.1519 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370AA #AA6D33

analogous

#33AAA8 #3370AA #3334AA

triadic

#3370AA #AA3370 #70AA33

tetradic

#3370AA #A833AA #AA6D33 #34AA33

square

#3370AA #A833AA #AA6D33 #34AA33

split-complementary

#3370AA #AA3334 #AAA833

monochromatic

#17324C #25517B #3370AA #508FCA #7FADD9

Accessibility & contrast

On white

5.20

#3370AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3370AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370AA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370AA	#FFFFFF	#000000	##FFFFFF
##3370AA	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5673AC

Deuteranopia (green-blind)

#4568A9

Tritanopia (blue-blind)

#007E85

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3370aa;
/* rgb */ color: rgb(51, 112, 170);
/* oklch */ color: oklch(53.3% 0.111 249.7);

Tailwind

colors: {
  custom: {
    50: '#7998c3',
    500: '#3370aa',
    950: '#000000',
  },
}

SCSS

$custom: #3370aa;
$custom-light: #7998c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3370aa",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 170
  },
  "hsl": {
    "h": 209.244,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5327,
    "c": 0.11114,
    "h": 249.7
  },
  "luminance": 0.15194
}

Semantic roles & 50–950 ramp

primary

#3370AA

secondary

#C29B77

accent

#924BDD

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3370AA

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

Preview Lab → · Contrast checker → · Palette generator →