#2B70B8#2B70B8

#2B70B8 is a mid, vivid cyan. Relative luminance 0.156; OKLCH L 53.8% C 0.132 H 252.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#2B70B8
RGB	rgb(43, 112, 184)
HSL	hsl(211, 62%, 45%)
HSV	hsv(211, 77%, 72%)
CMYK	cmyk(76.6%, 39.1%, 0%, 27.8%)
CIE-LAB	lab(46.39, 3.88, -44.14)
CIE-LCH	lch(46.39, 44.31, 275.02°)
OKLab	oklab(53.83% -0.0399 -0.126)
OKLCH	oklch(53.83% 0.132 252.4)
XYZ	xyz(15.4389, 15.5608, 47.5280)
Luminance	0.1556 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B70B8 #B8732B

analogous

#2BB7B8 #2B70B8 #2C2BB8

triadic

#2B70B8 #B82B70 #70B82B

tetradic

#2B70B8 #B82BB7 #B8732B #2BB82C

square

#2B70B8 #B82BB7 #B8732B #2BB82C

split-complementary

#2B70B8 #B82C2B #B7B82B

monochromatic

#143455 #1F5286 #2B70B8 #4B8FD5 #7DAEE1

Accessibility & contrast

On white

5.11

#2B70B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#2B70B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B70B8

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B70B8	#FFFFFF	#000000	##FFFFFF
##2B70B8	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E75BB

Deuteranopia (green-blind)

#3868B7

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2b70b8;
/* rgb */ color: rgb(43, 112, 184);
/* oklch */ color: oklch(53.8% 0.132 252.4);

Tailwind

colors: {
  custom: {
    50: '#7898ce',
    500: '#2b70b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b70b8;
$custom-light: #7898ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b70b8",
  "rgb": {
    "r": 43,
    "g": 112,
    "b": 184
  },
  "hsl": {
    "h": 210.638,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53831,
    "c": 0.13213,
    "h": 252.4
  },
  "luminance": 0.15563
}

Semantic roles & 50–950 ramp

primary

#2B70B8

secondary

#C9A076

accent

#9643E5

background

#F7F9FC

surface

#EEF2F9

border

#C9CCD2

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2B70B8

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

Preview Lab → · Contrast checker → · Palette generator →