#3070B1#3070B1

#3070B1 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.121 H 251.4°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3070B1
RGB	rgb(48, 112, 177)
HSL	hsl(210, 57%, 44%)
HSV	hsv(210, 73%, 69%)
CMYK	cmyk(72.9%, 36.7%, 0%, 30.6%)
CIE-LAB	lab(46.16, 1.93, -40.43)
CIE-LCH	lch(46.16, 40.47, 272.74°)
OKLab	oklab(53.57% -0.0386 -0.115)
OKLCH	oklch(53.57% 0.121 251.4)
XYZ	xyz(14.9459, 15.3894, 43.7692)
Luminance	0.1539 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3070B1 #B17130

analogous

#30B1B1 #3070B1 #3130B1

triadic

#3070B1 #B13070 #70B130

tetradic

#3070B1 #B130B1 #B17130 #30B131

square

#3070B1 #B130B1 #B17130 #30B131

split-complementary

#3070B1 #B13130 #B1B130

monochromatic

#163351 #235281 #3070B1 #4F8FCF #7FADDC

Accessibility & contrast

On white

5.15

#3070B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3070B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3070B1

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3070B1	#FFFFFF	#000000	##FFFFFF
##3070B1	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B4

Deuteranopia (green-blind)

#3F68B0

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3070b1;
/* rgb */ color: rgb(48, 112, 177);
/* oklch */ color: oklch(53.6% 0.121 251.4);

Tailwind

colors: {
  custom: {
    50: '#7998c8',
    500: '#3070b1',
    950: '#000000',
  },
}

SCSS

$custom: #3070b1;
$custom-light: #7998c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3070b1",
  "rgb": {
    "r": 48,
    "g": 112,
    "b": 177
  },
  "hsl": {
    "h": 210.233,
    "s": 57.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5357,
    "c": 0.12133,
    "h": 251.4
  },
  "luminance": 0.15391
}

Semantic roles & 50–950 ramp

primary

#3070B1

secondary

#C59F78

accent

#9447E1

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #3070B1

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

Preview Lab → · Contrast checker → · Palette generator →