#237E9A#237E9A

#237E9A is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.092 H 223.3°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#237E9A
RGB	rgb(35, 126, 154)
HSL	hsl(194, 63%, 37%)
HSV	hsv(194, 77%, 60%)
CMYK	cmyk(77.3%, 18.2%, 0%, 39.6%)
CIE-LAB	lab(49.02, -16.30, -22.55)
CIE-LCH	lch(49.02, 27.82, 234.14°)
OKLab	oklab(55.38% -0.0671 -0.0632)
OKLCH	oklch(55.38% 0.092 223.3)
XYZ	xyz(13.9843, 17.6104, 33.2277)
Luminance	0.1761 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#237E9A #9A3F23

analogous

#239A7B #237E9A #23429A

triadic

#237E9A #9A237E #7E9A23

tetradic

#237E9A #7B239A #9A3F23 #429A23

square

#237E9A #7B239A #9A3F23 #429A23

split-complementary

#237E9A #9A2342 #9A7B23

monochromatic

#0C2C36 #185568 #237E9A #2EA7CC #5DBDDA

Accessibility & contrast

On white

4.64

#237E9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#237E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #237E9A

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##237E9A	#FFFFFF	#000000	##FFFFFF
##237E9A	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7B9B

Deuteranopia (green-blind)

#5E6F9A

Tritanopia (blue-blind)

#008787

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #237e9a;
/* rgb */ color: rgb(35, 126, 154);
/* oklch */ color: oklch(55.4% 0.092 223.3);

Tailwind

colors: {
  custom: {
    50: '#71a3b7',
    500: '#237e9a',
    950: '#000000',
  },
}

SCSS

$custom: #237e9a;
$custom-light: #71a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#237e9a",
  "rgb": {
    "r": 35,
    "g": 126,
    "b": 154
  },
  "hsl": {
    "h": 194.118,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.5538,
    "c": 0.09217,
    "h": 223.3
  },
  "luminance": 0.17612
}

Semantic roles & 50–950 ramp

primary

#237E9A

secondary

#BF725A

accent

#6842E6

background

#F7FAFB

surface

#EDF3F6

border

#C8CDD0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #237E9A

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

Preview Lab → · Contrast checker → · Palette generator →