#2584B0#2584B0

#2584B0 is a mid, moderate cyan. Relative luminance 0.200; OKLCH L 58.0% C 0.108 H 233.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#2584B0
RGB	rgb(37, 132, 176)
HSL	hsl(199, 65%, 42%)
HSV	hsv(199, 79%, 69%)
CMYK	cmyk(79%, 25%, 0%, 31%)
CIE-LAB	lab(51.87, -11.67, -30.90)
CIE-LCH	lch(51.87, 33.03, 249.30°)
OKLab	oklab(57.98% -0.0639 -0.0871)
OKLCH	oklch(57.98% 0.108 233.7)
XYZ	xyz(16.8475, 20.0284, 44.0438)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2584B0 #B05125

analogous

#25B097 #2584B0 #253FB0

triadic

#2584B0 #B02584 #84B025

tetradic

#2584B0 #9725B0 #B05125 #3FB025

square

#2584B0 #9725B0 #B05125 #3FB025

split-complementary

#2584B0 #B0253F #B09725

monochromatic

#10384B #1A5E7D #2584B0 #3CA5D6 #6FBDE1

Accessibility & contrast

On white

4.19

#2584B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#2584B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2584B0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2584B0	#FFFFFF	#000000	##000000
##2584B0	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E83B2

Deuteranopia (green-blind)

#5C76AF

Tritanopia (blue-blind)

#009093

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #2584b0;
/* rgb */ color: rgb(37, 132, 176);
/* oklch */ color: oklch(58.0% 0.108 233.7);

Tailwind

colors: {
  custom: {
    50: '#76a7c7',
    500: '#2584b0',
    950: '#000000',
  },
}

SCSS

$custom: #2584b0;
$custom-light: #76a7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2584b0",
  "rgb": {
    "r": 37,
    "g": 132,
    "b": 176
  },
  "hsl": {
    "h": 198.993,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.57982,
    "c": 0.10806,
    "h": 233.7
  },
  "luminance": 0.2003
}

Semantic roles & 50–950 ramp

primary

#2584B0

secondary

#C7876A

accent

#7540E8

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2584B0

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

Preview Lab → · Contrast checker → · Palette generator →