#2580BD#2580BD

#2580BD is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.7% C 0.125 H 243.4°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#2580BD
RGB	rgb(37, 128, 189)
HSL	hsl(204, 67%, 44%)
HSV	hsv(204, 80%, 74%)
CMYK	cmyk(80.4%, 32.3%, 0%, 25.9%)
CIE-LAB	lab(51.27, -4.63, -39.30)
CIE-LCH	lch(51.27, 39.58, 263.28°)
OKLab	oklab(57.71% -0.0559 -0.1116)
OKLCH	oklch(57.71% 0.125 243.4)
XYZ	xyz(17.6638, 19.5036, 50.9679)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2580BD #BD6225

analogous

#25BDAE #2580BD #2534BD

triadic

#2580BD #BD2580 #80BD25

tetradic

#2580BD #AE25BD #BD6225 #34BD25

square

#2580BD #AE25BD #BD6225 #34BD25

split-complementary

#2580BD #BD2534 #BDAE25

monochromatic

#113B57 #1B5D8A #2580BD #459EDB #78B9E5

Accessibility & contrast

On white

4.28

#2580BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#2580BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580BD

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2580BD	#FFFFFF	#000000	##000000
##2580BD	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6382C0

Deuteranopia (green-blind)

#4E74BC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2580bd;
/* rgb */ color: rgb(37, 128, 189);
/* oklch */ color: oklch(57.7% 0.125 243.4);

Tailwind

colors: {
  custom: {
    50: '#78a4d1',
    500: '#2580bd',
    950: '#000000',
  },
}

SCSS

$custom: #2580bd;
$custom-light: #78a4d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2580bd",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 189
  },
  "hsl": {
    "h": 204.079,
    "s": 67.257,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57709,
    "c": 0.12485,
    "h": 243.4
  },
  "luminance": 0.19506
}

Semantic roles & 50–950 ramp

primary

#2580BD

secondary

#CC9672

accent

#833EEA

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0A0F14

muted

#7C7F82

Preview Lab

Preview with #2580BD

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

Preview Lab → · Contrast checker → · Palette generator →