#2B738F#2B738F

#2B738F is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.3% C 0.083 H 227.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B738F
RGB	rgb(43, 115, 143)
HSL	hsl(197, 54%, 36%)
HSV	hsv(197, 70%, 56%)
CMYK	cmyk(69.9%, 19.6%, 0%, 43.9%)
CIE-LAB	lab(45.30, -12.81, -21.79)
CIE-LCH	lch(45.30, 25.27, 239.54°)
OKLab	oklab(52.31% -0.0559 -0.061)
OKLCH	oklch(52.31% 0.083 227.5)
XYZ	xyz(12.0829, 14.7569, 28.1928)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B738F #8F472B

analogous

#2B8F79 #2B738F #2B418F

triadic

#2B738F #8F2B73 #738F2B

tetradic

#2B738F #792B8F #8F472B #418F2B

square

#2B738F #792B8F #8F472B #418F2B

split-complementary

#2B738F #8F2B41 #8F792B

monochromatic

#0F2731 #1D4D60 #2B738F #3999BE #64B2D0

Accessibility & contrast

On white

5.31

#2B738F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#2B738F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B738F

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B738F	#FFFFFF	#000000	##FFFFFF
##2B738F	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647190

Deuteranopia (green-blind)

#56678F

Tritanopia (blue-blind)

#007B7C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #2b738f;
/* rgb */ color: rgb(43, 115, 143);
/* oklch */ color: oklch(52.3% 0.083 227.5);

Tailwind

colors: {
  custom: {
    50: '#719bb0',
    500: '#2b738f',
    950: '#000000',
  },
}

SCSS

$custom: #2b738f;
$custom-light: #719bb0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b738f",
  "rgb": {
    "r": 43,
    "g": 115,
    "b": 143
  },
  "hsl": {
    "h": 196.8,
    "s": 53.763,
    "l": 36.471
  },
  "oklch": {
    "l": 0.52308,
    "c": 0.08275,
    "h": 227.5
  },
  "luminance": 0.14758
}

Semantic roles & 50–950 ramp

primary

#2B738F

secondary

#B7785F

accent

#744BDD

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #2B738F

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

Preview Lab → · Contrast checker → · Palette generator →