#287AAF#287AAF

#287AAF is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.6% C 0.113 H 241.8°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#287AAF
RGB	rgb(40, 122, 175)
HSL	hsl(204, 63%, 42%)
HSV	hsv(204, 77%, 69%)
CMYK	cmyk(77.1%, 30.3%, 0%, 31.4%)
CIE-LAB	lab(48.84, -5.90, -35.06)
CIE-LCH	lch(48.84, 35.55, 260.45°)
OKLab	oklab(55.58% -0.0533 -0.0993)
OKLCH	oklch(55.58% 0.113 241.8)
XYZ	xyz(15.5694, 17.4635, 43.0993)
Luminance	0.1746 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287AAF #AF5D28

analogous

#28AFA1 #287AAF #2836AF

triadic

#287AAF #AF287A #7AAF28

tetradic

#287AAF #A128AF #AF5D28 #36AF28

square

#287AAF #A128AF #AF5D28 #36AF28

split-complementary

#287AAF #AF2836 #AFA128

monochromatic

#11354B #1D577D #287AAF #419AD4 #73B4DF

Accessibility & contrast

On white

4.67

#287AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#287AAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287AAF

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287AAF	#FFFFFF	#000000	##FFFFFF
##287AAF	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#617BB1

Deuteranopia (green-blind)

#4F6EAE

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287aaf;
/* rgb */ color: rgb(40, 122, 175);
/* oklch */ color: oklch(55.6% 0.113 241.8);

Tailwind

colors: {
  custom: {
    50: '#76a0c7',
    500: '#287aaf',
    950: '#000000',
  },
}

SCSS

$custom: #287aaf;
$custom-light: #76a0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#287aaf",
  "rgb": {
    "r": 40,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 203.556,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55578,
    "c": 0.1127,
    "h": 241.8
  },
  "luminance": 0.17465
}

Semantic roles & 50–950 ramp

primary

#287AAF

secondary

#C6906D

accent

#8242E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #287AAF

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

Preview Lab → · Contrast checker → · Palette generator →