#2580B2#2580B2

#2580B2 is a mid, moderate cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.113 H 238.1°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#2580B2
RGB	rgb(37, 128, 178)
HSL	hsl(201, 66%, 42%)
HSV	hsv(201, 79%, 70%)
CMYK	cmyk(79.2%, 28.1%, 0%, 30.2%)
CIE-LAB	lab(50.74, -8.66, -33.82)
CIE-LCH	lch(50.74, 34.91, 255.64°)
OKLab	oklab(57.11% -0.0594 -0.0956)
OKLCH	oklch(57.11% 0.113 238.1)
XYZ	xyz(16.5148, 19.0440, 44.9163)
Luminance	0.1905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2580B2 #B25725

analogous

#25B29E #2580B2 #2539B2

triadic

#2580B2 #B22580 #80B225

tetradic

#2580B2 #9E25B2 #B25725 #39B225

square

#2580B2 #9E25B2 #B25725 #39B225

split-complementary

#2580B2 #B22539 #B29E25

monochromatic

#10374D #1A5C7F #2580B2 #3DA0D7 #70B9E1

Accessibility & contrast

On white

4.37

#2580B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#2580B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2580B2

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2580B2	#FFFFFF	#000000	##000000
##2580B2	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6880B4

Deuteranopia (green-blind)

#5573B1

Tritanopia (blue-blind)

#008D91

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #2580b2;
/* rgb */ color: rgb(37, 128, 178);
/* oklch */ color: oklch(57.1% 0.113 238.1);

Tailwind

colors: {
  custom: {
    50: '#76a4c9',
    500: '#2580b2',
    950: '#000000',
  },
}

SCSS

$custom: #2580b2;
$custom-light: #76a4c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2580b2",
  "rgb": {
    "r": 37,
    "g": 128,
    "b": 178
  },
  "hsl": {
    "h": 201.277,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.57112,
    "c": 0.1126,
    "h": 238.1
  },
  "luminance": 0.19046
}

Semantic roles & 50–950 ramp

primary

#2580B2

secondary

#C88C6B

accent

#7B3FE9

background

#F7FAFC

surface

#EEF4F8

border

#C9CED1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #2580B2

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

Preview Lab → · Contrast checker → · Palette generator →