#2573BD#2573BD

#2573BD is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.7% C 0.137 H 251.1°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#2573BD
RGB	rgb(37, 115, 189)
HSL	hsl(209, 67%, 44%)
HSV	hsv(209, 80%, 74%)
CMYK	cmyk(80.4%, 39.2%, 0%, 25.9%)
CIE-LAB	lab(47.40, 3.23, -45.44)
CIE-LCH	lch(47.40, 45.55, 274.07°)
OKLab	oklab(54.67% -0.0445 -0.1298)
OKLCH	oklch(54.67% 0.137 251.1)
XYZ	xyz(16.0755, 16.3269, 50.4384)
Luminance	0.1633 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573BD #BD6F25

analogous

#25BDBB #2573BD #2527BD

triadic

#2573BD #BD2573 #73BD25

tetradic

#2573BD #BB25BD #BD6F25 #27BD25

square

#2573BD #BB25BD #BD6F25 #27BD25

split-complementary

#2573BD #BD2527 #BDBB25

monochromatic

#113557 #1B548A #2573BD #4592DB #78B0E5

Accessibility & contrast

On white

4.92

#2573BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#2573BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573BD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573BD	#FFFFFF	#000000	##FFFFFF
##2573BD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C0

Deuteranopia (green-blind)

#376ABC

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #2573bd;
/* rgb */ color: rgb(37, 115, 189);
/* oklch */ color: oklch(54.7% 0.137 251.1);

Tailwind

colors: {
  custom: {
    50: '#789ad1',
    500: '#2573bd',
    950: '#000000',
  },
}

SCSS

$custom: #2573bd;
$custom-light: #789ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#2573bd",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 189
  },
  "hsl": {
    "h": 209.211,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.54665,
    "c": 0.1372,
    "h": 251.1
  },
  "luminance": 0.16329
}

Semantic roles & 50–950 ramp

primary

#2573BD

secondary

#CC9E72

accent

#923EEA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2573BD

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

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