#2573BE#2573BE

#2573BE is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.7% C 0.138 H 251.4°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#2573BE
RGB	rgb(37, 115, 190)
HSL	hsl(209, 67%, 45%)
HSV	hsv(209, 81%, 75%)
CMYK	cmyk(80.5%, 39.5%, 0%, 25.5%)
CIE-LAB	lab(47.46, 3.61, -45.93)
CIE-LCH	lch(47.46, 46.07, 274.50°)
OKLab	oklab(54.73% -0.0443 -0.1312)
OKLCH	oklch(54.73% 0.138 251.4)
XYZ	xyz(16.1844, 16.3705, 51.0120)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2573BE #BE7025

analogous

#25BEBD #2573BE #2526BE

triadic

#2573BE #BE2573 #73BE25

tetradic

#2573BE #BD25BE #BE7025 #26BE25

square

#2573BE #BD25BE #BE7025 #26BE25

split-complementary

#2573BE #BE2526 #BEBD25

monochromatic

#113558 #1B548B #2573BE #4592DB #79B0E5

Accessibility & contrast

On white

4.91

#2573BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#2573BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2573BE

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2573BE	#FFFFFF	#000000	##FFFFFF
##2573BE	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C1

Deuteranopia (green-blind)

#366ABD

Tritanopia (blue-blind)

#00858F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #2573be;
/* rgb */ color: rgb(37, 115, 190);
/* oklch */ color: oklch(54.7% 0.138 251.4);

Tailwind

colors: {
  custom: {
    50: '#789ad2',
    500: '#2573be',
    950: '#000000',
  },
}

SCSS

$custom: #2573be;
$custom-light: #789ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#2573be",
  "rgb": {
    "r": 37,
    "g": 115,
    "b": 190
  },
  "hsl": {
    "h": 209.412,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54727,
    "c": 0.13847,
    "h": 251.4
  },
  "luminance": 0.16372
}

Semantic roles & 50–950 ramp

primary

#2573BE

secondary

#CD9F72

accent

#923EEA

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0A0E14

muted

#7C7E82

Preview Lab

Preview with #2573BE

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

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