#2568B0#2568B0

#2568B0 is a mid, vivid cyan. Relative luminance 0.134; OKLCH L 51.3% C 0.132 H 253.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#2568B0
RGB	rgb(37, 104, 176)
HSL	hsl(211, 65%, 42%)
HSV	hsv(211, 79%, 69%)
CMYK	cmyk(79%, 40.9%, 0%, 31%)
CIE-LAB	lab(43.40, 5.15, -44.26)
CIE-LCH	lch(43.40, 44.56, 276.63°)
OKLab	oklab(51.3% -0.0381 -0.1265)
OKLCH	oklch(51.3% 0.132 253.2)
XYZ	xyz(13.5468, 13.4269, 42.9436)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2568B0 #B06D25

analogous

#25AEB0 #2568B0 #2825B0

triadic

#2568B0 #B02568 #68B025

tetradic

#2568B0 #B025AE #B06D25 #25B028

square

#2568B0 #B025AE #B06D25 #25B028

split-complementary

#2568B0 #B02825 #AEB025

monochromatic

#102C4B #1A4A7D #2568B0 #3C86D6 #6FA6E1

Accessibility & contrast

On white

5.70

#2568B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#2568B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2568B0

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2568B0	#FFFFFF	#000000	##FFFFFF
##2568B0	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456DB3

Deuteranopia (green-blind)

#2E61AF

Tritanopia (blue-blind)

#007983

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2568b0;
/* rgb */ color: rgb(37, 104, 176);
/* oklch */ color: oklch(51.3% 0.132 253.2);

Tailwind

colors: {
  custom: {
    50: '#7592c8',
    500: '#2568b0',
    950: '#000000',
  },
}

SCSS

$custom: #2568b0;
$custom-light: #7592c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2568b0",
  "rgb": {
    "r": 37,
    "g": 104,
    "b": 176
  },
  "hsl": {
    "h": 211.079,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51299,
    "c": 0.13213,
    "h": 253.2
  },
  "luminance": 0.13429
}

Semantic roles & 50–950 ramp

primary

#2568B0

secondary

#C79A6A

accent

#9740E8

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0D13

muted

#7C7D82

Preview Lab

Preview with #2568B0

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

Preview Lab → · Contrast checker → · Palette generator →