#2583A5#2583A5

#2583A5 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.2% C 0.099 H 227.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#2583A5
RGB	rgb(37, 131, 165)
HSL	hsl(196, 63%, 40%)
HSV	hsv(196, 78%, 65%)
CMYK	cmyk(77.6%, 20.6%, 0%, 35.3%)
CIE-LAB	lab(51.08, -15.00, -25.76)
CIE-LCH	lch(51.08, 29.81, 239.79°)
OKLab	oklab(57.2% -0.067 -0.0723)
OKLCH	oklch(57.2% 0.099 227.2)
XYZ	xyz(15.6680, 19.3406, 38.4974)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2583A5 #A54725

analogous

#25A587 #2583A5 #2543A5

triadic

#2583A5 #A52583 #83A525

tetradic

#2583A5 #8725A5 #A54725 #43A525

square

#2583A5 #8725A5 #A54725 #43A525

split-complementary

#2583A5 #A52543 #A58725

monochromatic

#0F3441 #1A5B73 #2583A5 #35A8D2 #67BEDD

Accessibility & contrast

On white

4.31

#2583A5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#2583A5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #2583A5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2583A5	#FFFFFF	#000000	##000000
##2583A5	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7181A7

Deuteranopia (green-blind)

#6074A5

Tritanopia (blue-blind)

#008D8E

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #2583a5;
/* rgb */ color: rgb(37, 131, 165);
/* oklch */ color: oklch(57.2% 0.099 227.2);

Tailwind

colors: {
  custom: {
    50: '#74a7bf',
    500: '#2583a5',
    950: '#000000',
  },
}

SCSS

$custom: #2583a5;
$custom-light: #74a7bf;
$custom-dark: #000000;

JSON

{
  "hex": "#2583a5",
  "rgb": {
    "r": 37,
    "g": 131,
    "b": 165
  },
  "hsl": {
    "h": 195.938,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.57197,
    "c": 0.09859,
    "h": 227.2
  },
  "luminance": 0.19343
}

Semantic roles & 50–950 ramp

primary

#2583A5

secondary

#C37C63

accent

#6D41E6

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #2583A5

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

Preview Lab → · Contrast checker → · Palette generator →