#256583#256583

#256583 is a mid, moderate cyan. Relative luminance 0.113; OKLCH L 48.0% C 0.080 H 232.3°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#256583
RGB	rgb(37, 101, 131)
HSL	hsl(199, 56%, 33%)
HSV	hsv(199, 72%, 51%)
CMYK	cmyk(71.8%, 22.9%, 0%, 48.6%)
CIE-LAB	lab(40.14, -9.87, -22.58)
CIE-LCH	lch(40.14, 24.64, 246.40°)
OKLab	oklab(47.97% -0.0489 -0.0634)
OKLCH	oklch(47.97% 0.08 232.3)
XYZ	xyz(9.5117, 11.3383, 23.1556)
Luminance	0.1134 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256583 #834325

analogous

#258372 #256583 #253683

triadic

#256583 #832565 #658325

tetradic

#256583 #722583 #834325 #368325

square

#256583 #722583 #834325 #368325

split-complementary

#256583 #832536 #837225

monochromatic

#0A1B24 #184053 #256583 #328AB3 #54A7CF

Accessibility & contrast

On white

6.43

#256583 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#256583 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256583

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256583	#FFFFFF	#000000	##FFFFFF
##256583	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566484

Deuteranopia (green-blind)

#495B83

Tritanopia (blue-blind)

#006D6F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #256583;
/* rgb */ color: rgb(37, 101, 131);
/* oklch */ color: oklch(48.0% 0.080 232.3);

Tailwind

colors: {
  custom: {
    50: '#6c90a7',
    500: '#256583',
    950: '#000000',
  },
}

SCSS

$custom: #256583;
$custom-light: #6c90a7;
$custom-dark: #000000;

JSON

{
  "hex": "#256583",
  "rgb": {
    "r": 37,
    "g": 101,
    "b": 131
  },
  "hsl": {
    "h": 199.149,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.47972,
    "c": 0.08008,
    "h": 232.3
  },
  "luminance": 0.11339
}

Semantic roles & 50–950 ramp

primary

#256583

secondary

#B37051

accent

#7949DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C0F

muted

#7B7D7F

Preview Lab

Preview with #256583

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

Preview Lab → · Contrast checker → · Palette generator →