#2573C1#2573C1

#2573C1 is a mid, vivid cyan. Relative luminance 0.165; OKLCH L 54.9% C 0.142 H 252.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#2573C1
RGB	rgb(37, 115, 193)
HSL	hsl(210, 68%, 45%)
HSV	hsv(210, 81%, 76%)
CMYK	cmyk(80.8%, 40.4%, 0%, 24.3%)
CIE-LAB	lab(47.63, 4.75, -47.38)
CIE-LCH	lch(47.63, 47.62, 275.73°)
OKLab	oklab(54.92% -0.0435 -0.1355)
OKLCH	oklch(54.92% 0.142 252.2)
XYZ	xyz(16.5157, 16.5030, 52.7567)
Luminance	0.1651 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573C1 #C17325

analogous

#25C1C1 #2573C1 #2525C1

triadic

#2573C1 #C12573 #73C125

tetradic

#2573C1 #C125C1 #C17325 #25C125

square

#2573C1 #C125C1 #C17325 #25C125

split-complementary

#2573C1 #C12525 #C1C125

monochromatic

#11365A #1B548E #2573C1 #4792DC #7BB0E6

Accessibility & contrast

On white

4.88

#2573C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#2573C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573C1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573C1	#FFFFFF	#000000	##FFFFFF
##2573C1	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D79C4

Deuteranopia (green-blind)

#336BBF

Tritanopia (blue-blind)

#008690

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2573c1;
/* rgb */ color: rgb(37, 115, 193);
/* oklch */ color: oklch(54.9% 0.142 252.2);

Tailwind

colors: {
  custom: {
    50: '#799ad4',
    500: '#2573c1',
    950: '#000000',
  },
}

SCSS

$custom: #2573c1;
$custom-light: #799ad4;
$custom-dark: #000000;

JSON

{
  "hex": "#2573c1",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 193
  },
  "hsl": {
    "h": 210,
    "s": 67.826,
    "l": 45.098
  },
  "oklch": {
    "l": 0.54916,
    "c": 0.14231,
    "h": 252.2
  },
  "luminance": 0.16505
}

Semantic roles & 50–950 ramp

primary

#2573C1

secondary

#CEA174

accent

#943DEB

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #2573C1

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

Preview Lab → · Contrast checker → · Palette generator →