#2B739F#2B739F

#2B739F is a mid, moderate cyan. Relative luminance 0.153; OKLCH L 53.1% C 0.099 H 239.5°. Best body text is #FFFFFF at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B739F
RGB	rgb(43, 115, 159)
HSL	hsl(203, 57%, 40%)
HSV	hsv(203, 73%, 62%)
CMYK	cmyk(73%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(46.01, -7.17, -30.14)
CIE-LCH	lch(46.01, 30.98, 256.62°)
OKLab	oklab(53.11% -0.0501 -0.085)
OKLCH	oklch(53.11% 0.099 239.5)
XYZ	xyz(13.3826, 15.2768, 35.0376)
Luminance	0.1528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B739F #9F572B

analogous

#2B9F91 #2B739F #2B399F

triadic

#2B739F #9F2B73 #739F2B

tetradic

#2B739F #912B9F #9F572B #399F2B

square

#2B739F #912B9F #9F572B #399F2B

split-complementary

#2B739F #9F2B39 #9F912B

monochromatic

#112D3F #1E506F #2B739F #3D95CA #6DAFD7

Accessibility & contrast

On white

5.18

#2B739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#2B739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B739F

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B739F	#FFFFFF	#000000	##FFFFFF
##2B739F	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)

#5E73A1

Deuteranopia (green-blind)

#4F689E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #2b739f;
/* rgb */ color: rgb(43, 115, 159);
/* oklch */ color: oklch(53.1% 0.099 239.5);

Tailwind

colors: {
  custom: {
    50: '#749bbb',
    500: '#2b739f',
    950: '#000000',
  },
}

SCSS

$custom: #2b739f;
$custom-light: #749bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b739f",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 202.759,
    "s": 57.426,
    "l": 39.608
  },
  "oklch": {
    "l": 0.53109,
    "c": 0.09869,
    "h": 239.5
  },
  "luminance": 0.15278
}

Semantic roles & 50–950 ramp

primary

#2B739F

secondary

#BE8867

accent

#8147E1

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #2B739F

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

Preview Lab → · Contrast checker → · Palette generator →