#2B70B9#2B70B9

#2B70B9 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.9% C 0.133 H 252.7°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#2B70B9
RGB	rgb(43, 112, 185)
HSL	hsl(211, 62%, 45%)
HSV	hsv(211, 77%, 73%)
CMYK	cmyk(76.8%, 39.5%, 0%, 27.5%)
CIE-LAB	lab(46.45, 4.25, -44.63)
CIE-LCH	lch(46.45, 44.83, 275.44°)
OKLab	oklab(53.89% -0.0397 -0.1274)
OKLCH	oklch(53.89% 0.133 252.7)
XYZ	xyz(15.5441, 15.6029, 48.0820)
Luminance	0.1560 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B70B9 #B9742B

analogous

#2BB7B9 #2B70B9 #2D2BB9

triadic

#2B70B9 #B92B70 #70B92B

tetradic

#2B70B9 #B92BB7 #B9742B #2BB92D

square

#2B70B9 #B92BB7 #B9742B #2BB92D

split-complementary

#2B70B9 #B92D2B #B7B92B

monochromatic

#143456 #1F5287 #2B70B9 #4C8FD5 #7EAEE1

Accessibility & contrast

On white

5.10

#2B70B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#2B70B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B70B9

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B70B9	#FFFFFF	#000000	##FFFFFF
##2B70B9	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D75BC

Deuteranopia (green-blind)

#3768B8

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2b70b9;
/* rgb */ color: rgb(43, 112, 185);
/* oklch */ color: oklch(53.9% 0.133 252.7);

Tailwind

colors: {
  custom: {
    50: '#7998ce',
    500: '#2b70b9',
    950: '#000000',
  },
}

SCSS

$custom: #2b70b9;
$custom-light: #7998ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b70b9",
  "rgb": {
    "r": 43,
    "g": 112,
    "b": 185
  },
  "hsl": {
    "h": 210.845,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.53893,
    "c": 0.13343,
    "h": 252.7
  },
  "luminance": 0.15605
}

Semantic roles & 50–950 ramp

primary

#2B70B9

secondary

#C9A176

accent

#9642E5

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2B70B9

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

Preview Lab → · Contrast checker → · Palette generator →