#237AA1#237AA1

#237AA1 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.7% C 0.100 H 232.6°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#237AA1
RGB	rgb(35, 122, 161)
HSL	hsl(199, 64%, 38%)
HSV	hsv(199, 78%, 63%)
CMYK	cmyk(78.3%, 24.2%, 0%, 36.9%)
CIE-LAB	lab(48.07, -11.57, -28.12)
CIE-LCH	lch(48.07, 30.41, 247.63°)
OKLab	oklab(54.72% -0.0605 -0.0792)
OKLCH	oklch(54.72% 0.1 232.6)
XYZ	xyz(14.0831, 16.8479, 36.2210)
Luminance	0.1685 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237AA1 #A14A23

analogous

#23A189 #237AA1 #233BA1

triadic

#237AA1 #A1237A #7AA123

tetradic

#237AA1 #8923A1 #A14A23 #3BA123

square

#237AA1 #8923A1 #A14A23 #3BA123

split-complementary

#237AA1 #A1233B #A18923

monochromatic

#0D2E3C #18546F #237AA1 #2FA0D2 #62B7DD

Accessibility & contrast

On white

4.81

#237AA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#237AA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #237AA1

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237AA1	#FFFFFF	#000000	##FFFFFF
##237AA1	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6779A3

Deuteranopia (green-blind)

#566DA0

Tritanopia (blue-blind)

#008487

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #237aa1;
/* rgb */ color: rgb(35, 122, 161);
/* oklch */ color: oklch(54.7% 0.100 232.6);

Tailwind

colors: {
  custom: {
    50: '#72a0bd',
    500: '#237aa1',
    950: '#000000',
  },
}

SCSS

$custom: #237aa1;
$custom-light: #72a0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#237aa1",
  "rgb": {
    "r": 35,
    "g": 122,
    "b": 161
  },
  "hsl": {
    "h": 198.571,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.54717,
    "c": 0.09965,
    "h": 232.6
  },
  "luminance": 0.1685
}

Semantic roles & 50–950 ramp

primary

#237AA1

secondary

#C27D5E

accent

#7441E7

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090E12

muted

#7B7E81

Preview Lab

Preview with #237AA1

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

Preview Lab → · Contrast checker → · Palette generator →