#23638B#23638B

#23638B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.8% C 0.091 H 240.2°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#23638B
RGB	rgb(35, 99, 139)
HSL	hsl(203, 60%, 34%)
HSV	hsv(203, 75%, 55%)
CMYK	cmyk(74.8%, 28.8%, 0%, 45.5%)
CIE-LAB	lab(39.82, -6.05, -27.92)
CIE-LCH	lch(39.82, 28.57, 257.78°)
OKLab	oklab(47.82% -0.0451 -0.0789)
OKLCH	oklch(47.82% 0.091 240.2)
XYZ	xyz(9.8134, 11.1440, 26.0549)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23638B #8B4B23

analogous

#238B7F #23638B #232F8B

triadic

#23638B #8B2363 #638B23

tetradic

#23638B #7F238B #8B4B23 #2F8B23

square

#23638B #7F238B #8B4B23 #2F8B23

split-complementary

#23638B #8B232F #8B7F23

monochromatic

#0A1D29 #17405A #23638B #2F86BC #54A3D4

Accessibility & contrast

On white

6.50

#23638B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#23638B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #23638B

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23638B	#FFFFFF	#000000	##FFFFFF
##23638B	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50638D

Deuteranopia (green-blind)

#42598A

Tritanopia (blue-blind)

#006D71

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #23638b;
/* rgb */ color: rgb(35, 99, 139);
/* oklch */ color: oklch(47.8% 0.091 240.2);

Tailwind

colors: {
  custom: {
    50: '#6d8fad',
    500: '#23638b',
    950: '#000000',
  },
}

SCSS

$custom: #23638b;
$custom-light: #6d8fad;
$custom-dark: #000000;

JSON

{
  "hex": "#23638b",
  "rgb": {
    "r": 35,
    "g": 99,
    "b": 139
  },
  "hsl": {
    "h": 203.077,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.47821,
    "c": 0.09085,
    "h": 240.2
  },
  "luminance": 0.11145
}

Semantic roles & 50–950 ramp

primary

#23638B

secondary

#B87952

accent

#8245E3

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #23638B

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

Preview Lab → · Contrast checker → · Palette generator →