#3370A1#3370A1

#3370A1 is a mid, moderate cyan. Relative luminance 0.149; OKLCH L 52.8% C 0.100 H 245.6°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3370A1
RGB	rgb(51, 112, 161)
HSL	hsl(207, 52%, 42%)
HSV	hsv(207, 68%, 63%)
CMYK	cmyk(68.3%, 30.4%, 0%, 36.9%)
CIE-LAB	lab(45.45, -3.40, -32.18)
CIE-LCH	lch(45.45, 32.36, 263.96°)
OKLab	oklab(52.77% -0.0413 -0.0909)
OKLCH	oklch(52.77% 0.1 245.6)
XYZ	xyz(13.5900, 14.8639, 35.8641)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3370A1 #A16433

analogous

#33A19B #3370A1 #3339A1

triadic

#3370A1 #A13370 #70A133

tetradic

#3370A1 #9B33A1 #A16433 #39A133

square

#3370A1 #9B33A1 #A16433 #39A133

split-complementary

#3370A1 #A13339 #A19B33

monochromatic

#162F44 #245073 #3370A1 #4B8FC6 #7AACD5

Accessibility & contrast

On white

5.29

#3370A1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3370A1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3370A1

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3370A1	#FFFFFF	#000000	##FFFFFF
##3370A1	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A71A3

Deuteranopia (green-blind)

#4B67A0

Tritanopia (blue-blind)

#007C81

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3370a1;
/* rgb */ color: rgb(51, 112, 161);
/* oklch */ color: oklch(52.8% 0.100 245.6);

Tailwind

colors: {
  custom: {
    50: '#7798bd',
    500: '#3370a1',
    950: '#000000',
  },
}

SCSS

$custom: #3370a1;
$custom-light: #7798bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3370a1",
  "rgb": {
    "r": 51,
    "g": 112,
    "b": 161
  },
  "hsl": {
    "h": 206.727,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52768,
    "c": 0.09984,
    "h": 245.6
  },
  "luminance": 0.14865
}

Semantic roles & 50–950 ramp

primary

#3370A1

secondary

#BD9472

accent

#8C4CDB

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0D12

muted

#7C7E81

Preview Lab

Preview with #3370A1

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

Preview Lab → · Contrast checker → · Palette generator →