#2664B0#2664B0

#2664B0 is a mid, vivid cyan. Relative luminance 0.127; OKLCH L 50.4% C 0.136 H 255.5°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#2664B0
RGB	rgb(38, 100, 176)
HSL	hsl(213, 64%, 42%)
HSV	hsv(213, 78%, 69%)
CMYK	cmyk(78.4%, 43.2%, 0%, 31%)
CIE-LAB	lab(42.25, 7.81, -46.10)
CIE-LCH	lch(42.25, 46.76, 279.61°)
OKLab	oklab(50.41% -0.0341 -0.132)
OKLCH	oklch(50.41% 0.136 255.5)
XYZ	xyz(13.1901, 12.6594, 42.8142)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2664B0 #B07226

analogous

#26A9B0 #2664B0 #2D26B0

triadic

#2664B0 #B02664 #64B026

tetradic

#2664B0 #B026A9 #B07226 #26B02D

square

#2664B0 #B026A9 #B07226 #26B02D

split-complementary

#2664B0 #B02D26 #A9B026

monochromatic

#102B4B #1B477E #2664B0 #3E82D5 #70A3E0

Accessibility & contrast

On white

5.95

#2664B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#2664B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2664B0

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2664B0	#FFFFFF	#000000	##FFFFFF
##2664B0	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6AB3

Deuteranopia (green-blind)

#245EAE

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2664b0;
/* rgb */ color: rgb(38, 100, 176);
/* oklch */ color: oklch(50.4% 0.136 255.5);

Tailwind

colors: {
  custom: {
    50: '#758fc8',
    500: '#2664b0',
    950: '#000000',
  },
}

SCSS

$custom: #2664b0;
$custom-light: #758fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#2664b0",
  "rgb": {
    "r": 38,
    "g": 100,
    "b": 176
  },
  "hsl": {
    "h": 213.043,
    "s": 64.486,
    "l": 41.961
  },
  "oklch": {
    "l": 0.50409,
    "c": 0.13632,
    "h": 255.5
  },
  "luminance": 0.12661
}

Semantic roles & 50–950 ramp

primary

#2664B0

secondary

#C79E6B

accent

#9C40E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2664B0

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

Preview Lab → · Contrast checker → · Palette generator →