#288398#288398

#288398 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 56.7% C 0.088 H 216.7°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#288398
RGB	rgb(40, 131, 152)
HSL	hsl(191, 58%, 38%)
HSV	hsv(191, 74%, 60%)
CMYK	cmyk(73.7%, 13.8%, 0%, 40.4%)
CIE-LAB	lab(50.63, -19.06, -18.90)
CIE-LCH	lch(50.63, 26.85, 224.75°)
OKLab	oklab(56.68% -0.0708 -0.0527)
OKLCH	oklch(56.68% 0.088 216.7)
XYZ	xyz(14.6565, 18.9490, 32.5848)
Luminance	0.1895 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288398 #983D28

analogous

#289875 #288398 #284B98

triadic

#288398 #982883 #839828

tetradic

#288398 #752898 #983D28 #4B9828

square

#288398 #752898 #983D28 #4B9828

split-complementary

#288398 #98284B #987528

monochromatic

#0F2F37 #1B5968 #288398 #35ADC8 #64C1D6

Accessibility & contrast

On white

4.38

#288398 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#288398 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288398

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288398	#FFFFFF	#000000	##000000
##288398	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#757F99

Deuteranopia (green-blind)

#667498

Tritanopia (blue-blind)

#008A8A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #288398;
/* rgb */ color: rgb(40, 131, 152);
/* oklch */ color: oklch(56.7% 0.088 216.7);

Tailwind

colors: {
  custom: {
    50: '#73a7b6',
    500: '#288398',
    950: '#000000',
  },
}

SCSS

$custom: #288398;
$custom-light: #73a7b6;
$custom-dark: #000000;

JSON

{
  "hex": "#288398",
  "rgb": {
    "r": 40,
    "g": 131,
    "b": 152
  },
  "hsl": {
    "h": 191.25,
    "s": 58.333,
    "l": 37.647
  },
  "oklch": {
    "l": 0.56677,
    "c": 0.0883,
    "h": 216.7
  },
  "luminance": 0.18951
}

Semantic roles & 50–950 ramp

primary

#288398

secondary

#BC7160

accent

#6346E2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F11

muted

#7B7F80

Preview Lab

Preview with #288398

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

Preview Lab → · Contrast checker → · Palette generator →