#2666BC#2666BC

#2666BC is a mid, vivid cyan. Relative luminance 0.135; OKLCH L 51.7% C 0.150 H 257.1°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2666BC
RGB	rgb(38, 102, 188)
HSL	hsl(214, 66%, 44%)
HSV	hsv(214, 80%, 74%)
CMYK	cmyk(79.8%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(43.57, 11.15, -50.98)
CIE-LCH	lch(43.57, 52.19, 282.34°)
OKLab	oklab(51.68% -0.0334 -0.1463)
OKLCH	oklch(51.68% 0.15 257.1)
XYZ	xyz(14.6244, 13.5439, 49.4107)
Luminance	0.1355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2666BC #BC7C26

analogous

#26B1BC #2666BC #3126BC

triadic

#2666BC #BC2666 #66BC26

tetradic

#2666BC #BC26B1 #BC7C26 #26BC31

square

#2666BC #BC26B1 #BC7C26 #26BC31

split-complementary

#2666BC #BC3126 #B1BC26

monochromatic

#112F56 #1C4A89 #2666BC #4685DA #79A6E4

Accessibility & contrast

On white

5.66

#2666BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2666BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2666BC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2666BC	#FFFFFF	#000000	##FFFFFF
##2666BC	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBF

Deuteranopia (green-blind)

#1461BA

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2666bc;
/* rgb */ color: rgb(38, 102, 188);
/* oklch */ color: oklch(51.7% 0.150 257.1);

Tailwind

colors: {
  custom: {
    50: '#7891d1',
    500: '#2666bc',
    950: '#000000',
  },
}

SCSS

$custom: #2666bc;
$custom-light: #7891d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2666bc",
  "rgb": {
    "r": 38,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 214.4,
    "s": 66.372,
    "l": 44.314
  },
  "oklch": {
    "l": 0.51676,
    "c": 0.15007,
    "h": 257.1
  },
  "luminance": 0.13546
}

Semantic roles & 50–950 ramp

primary

#2666BC

secondary

#CCA572

accent

#A03FE9

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2666BC

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

Preview Lab → · Contrast checker → · Palette generator →