#3070B4#3070B4

#3070B4 is a mid, vivid cyan. Relative luminance 0.155; OKLCH L 53.8% C 0.125 H 252.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3070B4
RGB	rgb(48, 112, 180)
HSL	hsl(211, 58%, 45%)
HSV	hsv(211, 73%, 71%)
CMYK	cmyk(73.3%, 37.8%, 0%, 29.4%)
CIE-LAB	lab(46.33, 3.04, -41.92)
CIE-LCH	lch(46.33, 42.03, 274.15°)
OKLab	oklab(53.75% -0.0378 -0.1194)
OKLCH	oklch(53.75% 0.125 252.4)
XYZ	xyz(15.2482, 15.5103, 45.3613)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3070B4 #B47430

analogous

#30B2B4 #3070B4 #3230B4

triadic

#3070B4 #B43070 #70B430

tetradic

#3070B4 #B430B2 #B47430 #30B432

square

#3070B4 #B430B2 #B47430 #30B432

split-complementary

#3070B4 #B43230 #B2B430

monochromatic

#163453 #235284 #3070B4 #518FD1 #81AEDD

Accessibility & contrast

On white

5.12

#3070B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#3070B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3070B4

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3070B4	#FFFFFF	#000000	##FFFFFF
##3070B4	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5174B7

Deuteranopia (green-blind)

#3D68B3

Tritanopia (blue-blind)

#008089

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3070b4;
/* rgb */ color: rgb(48, 112, 180);
/* oklch */ color: oklch(53.8% 0.125 252.4);

Tailwind

colors: {
  custom: {
    50: '#7998cb',
    500: '#3070b4',
    950: '#000000',
  },
}

SCSS

$custom: #3070b4;
$custom-light: #7998cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3070b4",
  "rgb": {
    "r": 48,
    "g": 112,
    "b": 180
  },
  "hsl": {
    "h": 210.909,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5375,
    "c": 0.12524,
    "h": 252.4
  },
  "luminance": 0.15512
}

Semantic roles & 50–950 ramp

primary

#3070B4

secondary

#C6A179

accent

#9647E1

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3070B4

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

Preview Lab → · Contrast checker → · Palette generator →