#23739B#23739B

#23739B is a mid, moderate cyan. Relative luminance 0.150; OKLCH L 52.7% C 0.098 H 235.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#23739B
RGB	rgb(35, 115, 155)
HSL	hsl(200, 63%, 37%)
HSV	hsv(200, 77%, 61%)
CMYK	cmyk(77.4%, 25.8%, 0%, 39.2%)
CIE-LAB	lab(45.61, -9.70, -28.42)
CIE-LCH	lch(45.61, 30.03, 251.16°)
OKLab	oklab(52.67% -0.0557 -0.0801)
OKLCH	oklch(52.67% 0.098 235.2)
XYZ	xyz(12.7379, 14.9838, 33.2248)
Luminance	0.1499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23739B #9B4B23

analogous

#239B87 #23739B #23379B

triadic

#23739B #9B2373 #739B23

tetradic

#23739B #87239B #9B4B23 #379B23

square

#23739B #87239B #9B4B23 #379B23

split-complementary

#23739B #9B2337 #9B8723

monochromatic

#0C2937 #184E69 #23739B #2E98CD #5EB1DB

Accessibility & contrast

On white

5.25

#23739B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#23739B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23739B

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23739B	#FFFFFF	#000000	##FFFFFF
##23739B	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60729D

Deuteranopia (green-blind)

#4F679A

Tritanopia (blue-blind)

#007D81

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #23739b;
/* rgb */ color: rgb(35, 115, 155);
/* oklch */ color: oklch(52.7% 0.098 235.2);

Tailwind

colors: {
  custom: {
    50: '#709bb8',
    500: '#23739b',
    950: '#000000',
  },
}

SCSS

$custom: #23739b;
$custom-light: #709bb8;
$custom-dark: #000000;

JSON

{
  "hex": "#23739b",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 155
  },
  "hsl": {
    "h": 200,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.52671,
    "c": 0.0976,
    "h": 235.2
  },
  "luminance": 0.14985
}

Semantic roles & 50–950 ramp

primary

#23739B

secondary

#BF7C5A

accent

#7842E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E11

muted

#7B7E80

Preview Lab

Preview with #23739B

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

Preview Lab → · Contrast checker → · Palette generator →