#23739F#23739F

#23739F is a mid, moderate cyan. Relative luminance 0.151; OKLCH L 52.9% C 0.102 H 237.8°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#23739F
RGB	rgb(35, 115, 159)
HSL	hsl(201, 64%, 38%)
HSV	hsv(201, 78%, 62%)
CMYK	cmyk(78%, 27.7%, 0%, 37.6%)
CIE-LAB	lab(45.80, -8.23, -30.48)
CIE-LCH	lch(45.80, 31.58, 254.88°)
OKLab	oklab(52.88% -0.0543 -0.0861)
OKLCH	oklch(52.88% 0.102 237.8)
XYZ	xyz(13.0794, 15.1204, 35.0234)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23739F #9F4F23

analogous

#239F8D #23739F #23359F

triadic

#23739F #9F2373 #739F23

tetradic

#23739F #8D239F #9F4F23 #359F23

square

#23739F #8D239F #9F4F23 #359F23

split-complementary

#23739F #9F2335 #9F8D23

monochromatic

#0D2A3B #184F6D #23739F #2E97D1 #60B0DC

Accessibility & contrast

On white

5.22

#23739F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#23739F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23739F

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23739F	#FFFFFF	#000000	##FFFFFF
##23739F	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E73A1

Deuteranopia (green-blind)

#4D679E

Tritanopia (blue-blind)

#007E82

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #23739f;
/* rgb */ color: rgb(35, 115, 159);
/* oklch */ color: oklch(52.9% 0.102 237.8);

Tailwind

colors: {
  custom: {
    50: '#719bbb',
    500: '#23739f',
    950: '#000000',
  },
}

SCSS

$custom: #23739f;
$custom-light: #719bbb;
$custom-dark: #000000;

JSON

{
  "hex": "#23739f",
  "rgb": {
    "r": 35,
    "g": 115,
    "b": 159
  },
  "hsl": {
    "h": 201.29,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.52881,
    "c": 0.10181,
    "h": 237.8
  },
  "luminance": 0.15122
}

Semantic roles & 50–950 ramp

primary

#23739F

secondary

#C1805D

accent

#7C41E7

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #23739F

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

Preview Lab → · Contrast checker → · Palette generator →