#2580A6#2580A6

#2580A6 is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.5% C 0.101 H 230.8°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#2580A6
RGB	rgb(37, 128, 166)
HSL	hsl(198, 64%, 40%)
HSV	hsv(198, 78%, 65%)
CMYK	cmyk(77.7%, 22.9%, 0%, 34.9%)
CIE-LAB	lab(50.20, -12.97, -27.72)
CIE-LCH	lch(50.20, 30.60, 244.93°)
OKLab	oklab(56.5% -0.0637 -0.078)
OKLCH	oklch(56.5% 0.101 230.8)
XYZ	xyz(15.3623, 18.5830, 38.8462)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2580A6 #A64B25

analogous

#25A68B #2580A6 #2540A6

triadic

#2580A6 #A62580 #80A625

tetradic

#2580A6 #8B25A6 #A64B25 #40A625

square

#2580A6 #8B25A6 #A64B25 #40A625

split-complementary

#2580A6 #A62540 #A68B25

monochromatic

#0F3342 #1A5974 #2580A6 #36A4D2 #68BBDD

Accessibility & contrast

On white

4.45

#2580A6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#2580A6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580A6

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2580A6	#FFFFFF	#000000	##000000
##2580A6	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA8

Deuteranopia (green-blind)

#5B72A5

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #2580a6;
/* rgb */ color: rgb(37, 128, 166);
/* oklch */ color: oklch(56.5% 0.101 230.8);

Tailwind

colors: {
  custom: {
    50: '#74a4c0',
    500: '#2580a6',
    950: '#000000',
  },
}

SCSS

$custom: #2580a6;
$custom-light: #74a4c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2580a6",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 166
  },
  "hsl": {
    "h": 197.674,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.56501,
    "c": 0.10067,
    "h": 230.8
  },
  "luminance": 0.18585
}

Semantic roles & 50–950 ramp

primary

#2580A6

secondary

#C38064

accent

#7241E7

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2580A6

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

Preview Lab → · Contrast checker → · Palette generator →