#2583BD#2583BD

#2583BD is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.4% C 0.122 H 241.4°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#2583BD
RGB	rgb(37, 131, 189)
HSL	hsl(203, 67%, 44%)
HSV	hsv(203, 80%, 74%)
CMYK	cmyk(80.4%, 30.7%, 0%, 25.9%)
CIE-LAB	lab(52.17, -6.39, -37.89)
CIE-LCH	lch(52.17, 38.42, 260.43°)
OKLab	oklab(58.42% -0.0587 -0.1074)
OKLCH	oklch(58.42% 0.122 241.4)
XYZ	xyz(18.0609, 20.2978, 51.1002)
Luminance	0.2030 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583BD #BD5F25

analogous

#25BDAB #2583BD #2537BD

triadic

#2583BD #BD2583 #83BD25

tetradic

#2583BD #AB25BD #BD5F25 #37BD25

square

#2583BD #AB25BD #BD5F25 #37BD25

split-complementary

#2583BD #BD2537 #BDAB25

monochromatic

#113C57 #1B608A #2583BD #45A1DB #78BBE5

Accessibility & contrast

On white

4.15

#2583BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.06

#2583BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583BD

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583BD	#FFFFFF	#000000	##000000
##2583BD	1.00	4.15	5.06	5.06
#FFFFFF	4.15	1.00	21.00	21.00
#000000	5.06	21.00	1.00	1.00
##000000	5.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884C0

Deuteranopia (green-blind)

#5376BC

Tritanopia (blue-blind)

#009197

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #2583bd;
/* rgb */ color: rgb(37, 131, 189);
/* oklch */ color: oklch(58.4% 0.122 241.4);

Tailwind

colors: {
  custom: {
    50: '#78a6d1',
    500: '#2583bd',
    950: '#000000',
  },
}

SCSS

$custom: #2583bd;
$custom-light: #78a6d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2583bd",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 189
  },
  "hsl": {
    "h": 202.895,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.58422,
    "c": 0.1224,
    "h": 241.4
  },
  "luminance": 0.203
}

Semantic roles & 50–950 ramp

primary

#2583BD

secondary

#CC9472

accent

#7F3EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A0F14

muted

#7C7F82

Preview Lab

Preview with #2583BD

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

Preview Lab → · Contrast checker → · Palette generator →