#2870BD#2870BD

#2870BD is a mid, vivid cyan. Relative luminance 0.157; OKLCH L 54.1% C 0.140 H 253.2°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#2870BD
RGB	rgb(40, 112, 189)
HSL	hsl(211, 65%, 45%)
HSV	hsv(211, 79%, 74%)
CMYK	cmyk(78.8%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(46.59, 5.42, -46.72)
CIE-LCH	lch(46.59, 47.03, 276.61°)
OKLab	oklab(54.06% -0.0404 -0.1336)
OKLCH	oklch(54.06% 0.14 253.2)
XYZ	xyz(15.8511, 15.7117, 50.3315)
Luminance	0.1571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2870BD #BD7528

analogous

#28BABD #2870BD #2B28BD

triadic

#2870BD #BD2870 #70BD28

tetradic

#2870BD #BD28BA #BD7528 #28BD2B

square

#2870BD #BD28BA #BD7528 #28BD2B

split-complementary

#2870BD #BD2B28 #BABD28

monochromatic

#133458 #1D528A #2870BD #4A8FD9 #7CAEE3

Accessibility & contrast

On white

5.07

#2870BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#2870BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2870BD

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2870BD	#FFFFFF	#000000	##FFFFFF
##2870BD	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B76C0

Deuteranopia (green-blind)

#3168BB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2870bd;
/* rgb */ color: rgb(40, 112, 189);
/* oklch */ color: oklch(54.1% 0.140 253.2);

Tailwind

colors: {
  custom: {
    50: '#7998d1',
    500: '#2870bd',
    950: '#000000',
  },
}

SCSS

$custom: #2870bd;
$custom-light: #7998d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2870bd",
  "rgb": {
    "r": 40,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 211.007,
    "s": 65.066,
    "l": 44.902
  },
  "oklch": {
    "l": 0.54057,
    "c": 0.13953,
    "h": 253.2
  },
  "luminance": 0.15714
}

Semantic roles & 50–950 ramp

primary

#2870BD

secondary

#CBA275

accent

#9740E8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #2870BD

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

Preview Lab → · Contrast checker → · Palette generator →