#288BAF#288BAF

#288BAF is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.7% C 0.103 H 227.3°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#288BAF
RGB	rgb(40, 139, 175)
HSL	hsl(196, 63%, 42%)
HSV	hsv(196, 77%, 69%)
CMYK	cmyk(77.1%, 20.6%, 0%, 31.4%)
CIE-LAB	lab(54.04, -15.59, -26.95)
CIE-LCH	lch(54.04, 31.14, 239.95°)
OKLab	oklab(59.72% -0.0698 -0.0757)
OKLCH	oklch(59.72% 0.103 227.3)
XYZ	xyz(17.8424, 22.0093, 43.8570)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288BAF #AF4C28

analogous

#28AF90 #288BAF #2848AF

triadic

#288BAF #AF288B #8BAF28

tetradic

#288BAF #9028AF #AF4C28 #48AF28

square

#288BAF #9028AF #AF4C28 #48AF28

split-complementary

#288BAF #AF2848 #AF9028

monochromatic

#113C4B #1D637D #288BAF #41ACD4 #73C2DF

Accessibility & contrast

On white

3.89

#288BAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#288BAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288BAF

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288BAF	#FFFFFF	#000000	##000000
##288BAF	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7888B1

Deuteranopia (green-blind)

#667CAF

Tritanopia (blue-blind)

#009597

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288baf;
/* rgb */ color: rgb(40, 139, 175);
/* oklch */ color: oklch(59.7% 0.103 227.3);

Tailwind

colors: {
  custom: {
    50: '#77adc7',
    500: '#288baf',
    950: '#000000',
  },
}

SCSS

$custom: #288baf;
$custom-light: #77adc7;
$custom-dark: #000000;

JSON

{
  "hex": "#288baf",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 175
  },
  "hsl": {
    "h": 196,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.59717,
    "c": 0.10295,
    "h": 227.3
  },
  "luminance": 0.22011
}

Semantic roles & 50–950 ramp

primary

#288BAF

secondary

#C6856D

accent

#6E42E6

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A1013

muted

#7C7F82

Preview Lab

Preview with #288BAF

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

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