#23729B#23729B

#23729B is a mid, moderate cyan. Relative luminance 0.148; OKLCH L 52.4% C 0.098 H 236.1°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#23729B
RGB	rgb(35, 114, 155)
HSL	hsl(201, 63%, 37%)
HSV	hsv(201, 77%, 61%)
CMYK	cmyk(77.4%, 26.5%, 0%, 39.2%)
CIE-LAB	lab(45.30, -9.11, -28.91)
CIE-LCH	lch(45.30, 30.31, 252.51°)
OKLab	oklab(52.42% -0.0547 -0.0816)
OKLCH	oklch(52.42% 0.098 236.1)
XYZ	xyz(12.6245, 14.7570, 33.1870)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23729B #9B4C23

analogous

#239B88 #23729B #23369B

triadic

#23729B #9B2372 #729B23

tetradic

#23729B #88239B #9B4C23 #369B23

square

#23729B #88239B #9B4C23 #369B23

split-complementary

#23729B #9B2336 #9B8823

monochromatic

#0C2937 #184D69 #23729B #2E97CD #5EB0DB

Accessibility & contrast

On white

5.31

#23729B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#23729B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23729B

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23729B	#FFFFFF	#000000	##FFFFFF
##23729B	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)

#5E729D

Deuteranopia (green-blind)

#4E669A

Tritanopia (blue-blind)

#007D80

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #23729b;
/* rgb */ color: rgb(35, 114, 155);
/* oklch */ color: oklch(52.4% 0.098 236.1);

Tailwind

colors: {
  custom: {
    50: '#709ab8',
    500: '#23729b',
    950: '#000000',
  },
}

SCSS

$custom: #23729b;
$custom-light: #709ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#23729b",
  "rgb": {
    "r": 35,
    "g": 114,
    "b": 155
  },
  "hsl": {
    "h": 200.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52422,
    "c": 0.09821,
    "h": 236.1
  },
  "luminance": 0.14759
}

Semantic roles & 50–950 ramp

primary

#23729B

secondary

#BF7D5A

accent

#7A42E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #23729B

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

Preview Lab → · Contrast checker → · Palette generator →