#2B739B#2B739B

#2B739B is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.9% C 0.094 H 236.9°. Best body text is #FFFFFF at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#2B739B
RGB	rgb(43, 115, 155)
HSL	hsl(201, 57%, 39%)
HSV	hsv(201, 72%, 61%)
CMYK	cmyk(72.3%, 25.8%, 0%, 39.2%)
CIE-LAB	lab(45.83, -8.60, -28.07)
CIE-LCH	lch(45.83, 29.36, 252.96°)
OKLab	oklab(52.9% -0.0515 -0.0791)
OKLCH	oklch(52.9% 0.094 236.9)
XYZ	xyz(13.0411, 15.1402, 33.2390)
Luminance	0.1514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B739B #9B532B

analogous

#2B9B8B #2B739B #2B3B9B

triadic

#2B739B #9B2B73 #739B2B

tetradic

#2B739B #8B2B9B #9B532B #3B9B2B

square

#2B739B #8B2B9B #9B532B #3B9B2B

split-complementary

#2B739B #9B2B3B #9B8B2B

monochromatic

#102C3B #1E4F6B #2B739B #3B96C9 #6BB0D6

Accessibility & contrast

On white

5.21

#2B739B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#2B739B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B739B

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B739B	#FFFFFF	#000000	##FFFFFF
##2B739B	1.00	5.21	4.03	5.21
#FFFFFF	5.21	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60739D

Deuteranopia (green-blind)

#51689A

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #2b739b;
/* rgb */ color: rgb(43, 115, 155);
/* oklch */ color: oklch(52.9% 0.094 236.9);

Tailwind

colors: {
  custom: {
    50: '#739bb8',
    500: '#2b739b',
    950: '#000000',
  },
}

SCSS

$custom: #2b739b;
$custom-light: #739bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#2b739b",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 155
  },
  "hsl": {
    "h": 201.429,
    "s": 56.566,
    "l": 38.824
  },
  "oklch": {
    "l": 0.52901,
    "c": 0.09434,
    "h": 236.9
  },
  "luminance": 0.15142
}

Semantic roles & 50–950 ramp

primary

#2B739B

secondary

#BC8465

accent

#7E48E0

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #2B739B

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

Preview Lab → · Contrast checker → · Palette generator →