#23639B#23639B

#23639B is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.7% C 0.111 H 248.7°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#23639B
RGB	rgb(35, 99, 155)
HSL	hsl(208, 63%, 37%)
HSV	hsv(208, 77%, 61%)
CMYK	cmyk(77.4%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(40.65, -0.00, -36.22)
CIE-LCH	lch(40.65, 36.22, 270.00°)
OKLab	oklab(48.74% -0.0401 -0.1031)
OKLCH	oklch(48.74% 0.111 248.7)
XYZ	xyz(11.0691, 11.6463, 32.6686)
Luminance	0.1165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23639B #9B5B23

analogous

#239B97 #23639B #23279B

triadic

#23639B #9B2363 #639B23

tetradic

#23639B #97239B #9B5B23 #279B23

square

#23639B #97239B #9B5B23 #279B23

split-complementary

#23639B #9B2327 #9B9723

monochromatic

#0C2337 #184369 #23639B #2E83CD #5EA0DB

Accessibility & contrast

On white

6.31

#23639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#23639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23639B

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23639B	#FFFFFF	#000000	##FFFFFF
##23639B	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49669D

Deuteranopia (green-blind)

#375B9A

Tritanopia (blue-blind)

#007077

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #23639b;
/* rgb */ color: rgb(35, 99, 155);
/* oklch */ color: oklch(48.7% 0.111 248.7);

Tailwind

colors: {
  custom: {
    50: '#708fb9',
    500: '#23639b',
    950: '#000000',
  },
}

SCSS

$custom: #23639b;
$custom-light: #708fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#23639b",
  "rgb": {
    "r": 35,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 208,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.48744,
    "c": 0.11058,
    "h": 248.7
  },
  "luminance": 0.11648
}

Semantic roles & 50–950 ramp

primary

#23639B

secondary

#BF8A5A

accent

#8E42E6

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #23639B

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

Preview Lab → · Contrast checker → · Palette generator →