#2B70B1#2B70B1

#2B70B1 is a mid, vivid cyan. Relative luminance 0.153; OKLCH L 53.4% C 0.123 H 250.2°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B70B1
RGB	rgb(43, 112, 177)
HSL	hsl(209, 61%, 43%)
HSV	hsv(209, 76%, 69%)
CMYK	cmyk(75.7%, 36.7%, 0%, 30.6%)
CIE-LAB	lab(46.01, 1.25, -40.68)
CIE-LCH	lch(46.01, 40.70, 271.76°)
OKLab	oklab(53.41% -0.0417 -0.1158)
OKLCH	oklch(53.41% 0.123 250.2)
XYZ	xyz(14.7232, 15.2746, 43.7588)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B70B1 #B16C2B

analogous

#2BB1AF #2B70B1 #2B2DB1

triadic

#2B70B1 #B12B70 #70B12B

tetradic

#2B70B1 #AF2BB1 #B16C2B #2DB12B

square

#2B70B1 #AF2BB1 #B16C2B #2DB12B

split-complementary

#2B70B1 #B12B2D #B1AF2B

monochromatic

#13324F #1F5180 #2B70B1 #478FD2 #78ADDE

Accessibility & contrast

On white

5.18

#2B70B1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#2B70B1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B70B1

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B70B1	#FFFFFF	#000000	##FFFFFF
##2B70B1	1.00	5.18	4.06	5.18
#FFFFFF	5.18	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5274B4

Deuteranopia (green-blind)

#3E67B0

Tritanopia (blue-blind)

#007F88

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2b70b1;
/* rgb */ color: rgb(43, 112, 177);
/* oklch */ color: oklch(53.4% 0.123 250.2);

Tailwind

colors: {
  custom: {
    50: '#7798c8',
    500: '#2b70b1',
    950: '#000000',
  },
}

SCSS

$custom: #2b70b1;
$custom-light: #7798c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b70b1",
  "rgb": {
    "r": 43,
    "g": 112,
    "b": 177
  },
  "hsl": {
    "h": 209.104,
    "s": 60.909,
    "l": 43.137
  },
  "oklch": {
    "l": 0.53405,
    "c": 0.12309,
    "h": 250.2
  },
  "luminance": 0.15276
}

Semantic roles & 50–950 ramp

primary

#2B70B1

secondary

#C69B72

accent

#9244E4

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #2B70B1

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

Preview Lab → · Contrast checker → · Palette generator →