#236E9B#236E9B

#236E9B is a mid, moderate cyan. Relative luminance 0.139; OKLCH L 51.4% C 0.101 H 239.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#236E9B
RGB	rgb(35, 110, 155)
HSL	hsl(203, 63%, 37%)
HSV	hsv(203, 77%, 61%)
CMYK	cmyk(77.4%, 29%, 0%, 39.2%)
CIE-LAB	lab(44.05, -6.74, -30.86)
CIE-LCH	lch(44.05, 31.59, 257.67°)
OKLab	oklab(51.43% -0.0508 -0.0873)
OKLCH	oklch(51.43% 0.101 239.8)
XYZ	xyz(12.1831, 13.8743, 33.0399)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#236E9B #9B5023

analogous

#239B8C #236E9B #23329B

triadic

#236E9B #9B236E #6E9B23

tetradic

#236E9B #8C239B #9B5023 #329B23

square

#236E9B #8C239B #9B5023 #329B23

split-complementary

#236E9B #9B2332 #9B8C23

monochromatic

#0C2737 #184B69 #236E9B #2E91CD #5EACDB

Accessibility & contrast

On white

5.56

#236E9B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#236E9B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #236E9B

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##236E9B	#FFFFFF	#000000	##FFFFFF
##236E9B	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#596E9D

Deuteranopia (green-blind)

#48639A

Tritanopia (blue-blind)

#00797E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #236e9b;
/* rgb */ color: rgb(35, 110, 155);
/* oklch */ color: oklch(51.4% 0.101 239.8);

Tailwind

colors: {
  custom: {
    50: '#7097b8',
    500: '#236e9b',
    950: '#000000',
  },
}

SCSS

$custom: #236e9b;
$custom-light: #7097b8;
$custom-dark: #000000;

JSON

{
  "hex": "#236e9b",
  "rgb": {
    "r": 35,
    "g": 110,
    "b": 155
  },
  "hsl": {
    "h": 202.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.51431,
    "c": 0.10095,
    "h": 239.8
  },
  "luminance": 0.13876
}

Semantic roles & 50–950 ramp

primary

#236E9B

secondary

#BF805A

accent

#7F42E6

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #236E9B

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

Preview Lab → · Contrast checker → · Palette generator →