#2B70B5#2B70B5

#2B70B5 is a mid, vivid cyan. Relative luminance 0.154; OKLCH L 53.6% C 0.128 H 251.5°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#2B70B5
RGBrgb(43, 112, 181)
HSLhsl(210, 62%, 44%)
HSVhsv(210, 76%, 71%)
CMYKcmyk(76.2%, 38.1%, 0%, 29%)
CIE-LABlab(46.23, 2.75, -42.66)
CIE-LCHlch(46.23, 42.75, 273.69°)
OKLaboklab(53.65% -0.0406 -0.1216)
OKLCHoklch(53.65% 0.128 251.5)
XYZxyz(15.1278, 15.4364, 45.8893)
Luminance0.1544 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#2B70B5 #B5702B
analogous
#2BB5B5 #2B70B5 #2B2BB5
triadic
#2B70B5 #B52B70 #70B52B
tetradic
#2B70B5 #B52BB5 #B5702B #2BB52B
square
#2B70B5 #B52BB5 #B5702B #2BB52B
split-complementary
#2B70B5 #B52B2B #B5B52B
monochromatic
#143352 #1F5184 #2B70B5 #498FD4 #7BADE0

Accessibility & contrast

On white

5.14
#2B70B5 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.09
#2B70B5 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B70B5
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##2B70B5#FFFFFF#000000##FFFFFF
##2B70B51.005.144.095.14
#FFFFFF5.141.0021.001.00
#0000004.0921.001.0021.00
##FFFFFF5.141.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5074B8
Deuteranopia (green-blind)
#3A68B4
Tritanopia (blue-blind)
#00808A
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #2b70b5;
/* rgb */ color: rgb(43, 112, 181);
/* oklch */ color: oklch(53.6% 0.128 251.5);
Tailwind
colors: {
  custom: {
    50: '#7898cb',
    500: '#2b70b5',
    950: '#000000',
  },
}
SCSS
$custom: #2b70b5;
$custom-light: #7898cb;
$custom-dark: #000000;
JSON
{
  "hex": "#2b70b5",
  "rgb": {
    "r": 43,
    "g": 112,
    "b": 181
  },
  "hsl": {
    "h": 210,
    "s": 61.607,
    "l": 43.922
  },
  "oklch": {
    "l": 0.53647,
    "c": 0.12824,
    "h": 251.5
  },
  "luminance": 0.15438
}

Semantic roles & 50–950 ramp

primary
#2B70B5
secondary
#C89E74
accent
#9443E5
background
#F7F9FC
surface
#EEF2F8
border
#C9CCD1
text
#0A0D13
muted
#7C7E82

Preview Lab

Preview with #2B70B5

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

Preview Lab → · Contrast checker → · Palette generator →

#2B70B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva