#2666B7#2666B7

#2666B7 is a mid, vivid cyan. Relative luminance 0.133; OKLCH L 51.3% C 0.143 H 256.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#2666B7
RGB	rgb(38, 102, 183)
HSL	hsl(214, 66%, 43%)
HSV	hsv(214, 79%, 72%)
CMYK	cmyk(79.2%, 44.3%, 0%, 28.2%)
CIE-LAB	lab(43.26, 9.22, -48.57)
CIE-LCH	lch(43.26, 49.44, 280.75°)
OKLab	oklab(51.33% -0.0343 -0.1392)
OKLCH	oklch(51.33% 0.143 256.1)
XYZ	xyz(14.0948, 13.3320, 46.6210)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2666B7 #B77726

analogous

#26AEB7 #2666B7 #2E26B7

triadic

#2666B7 #B72666 #66B726

tetradic

#2666B7 #B726AE #B77726 #26B72E

square

#2666B7 #B726AE #B77726 #26B72E

split-complementary

#2666B7 #B72E26 #AEB726

monochromatic

#112E52 #1B4A84 #2666B7 #4284D8 #75A5E2

Accessibility & contrast

On white

5.73

#2666B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#2666B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2666B7

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2666B7	#FFFFFF	#000000	##FFFFFF
##2666B7	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6DBA

Deuteranopia (green-blind)

#1F60B5

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2666b7;
/* rgb */ color: rgb(38, 102, 183);
/* oklch */ color: oklch(51.3% 0.143 256.1);

Tailwind

colors: {
  custom: {
    50: '#7791cd',
    500: '#2666b7',
    950: '#000000',
  },
}

SCSS

$custom: #2666b7;
$custom-light: #7791cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2666b7",
  "rgb": {
    "r": 38,
    "g": 102,
    "b": 183
  },
  "hsl": {
    "h": 213.517,
    "s": 65.611,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51333,
    "c": 0.14339,
    "h": 256.1
  },
  "luminance": 0.13334
}

Semantic roles & 50–950 ramp

primary

#2666B7

secondary

#CAA26F

accent

#9E3FE9

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2666B7

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

Preview Lab → · Contrast checker → · Palette generator →