#256FAF#256FAF

#256FAF is a mid, vivid cyan. Relative luminance 0.149; OKLCH L 52.9% C 0.123 H 248.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#256FAF
RGB	rgb(37, 111, 175)
HSL	hsl(208, 65%, 42%)
HSV	hsv(208, 79%, 69%)
CMYK	cmyk(78.9%, 36.6%, 0%, 31.4%)
CIE-LAB	lab(45.44, 0.39, -40.43)
CIE-LCH	lch(45.44, 40.44, 270.55°)
OKLab	oklab(52.87% -0.0446 -0.1152)
OKLCH	oklch(52.87% 0.124 248.8)
XYZ	xyz(14.1823, 14.8556, 42.6691)
Luminance	0.1486 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256FAF #AF6525

analogous

#25AFAA #256FAF #252AAF

triadic

#256FAF #AF256F #6FAF25

tetradic

#256FAF #AA25AF #AF6525 #2AAF25

square

#256FAF #AA25AF #AF6525 #2AAF25

split-complementary

#256FAF #AF252A #AFAA25

monochromatic

#102F4A #1A4F7C #256FAF #3C8ED6 #6EABE0

Accessibility & contrast

On white

5.29

#256FAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#256FAF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256FAF

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256FAF	#FFFFFF	#000000	##FFFFFF
##256FAF	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5172B2

Deuteranopia (green-blind)

#3C66AE

Tritanopia (blue-blind)

#007E86

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #256faf;
/* rgb */ color: rgb(37, 111, 175);
/* oklch */ color: oklch(52.9% 0.123 248.8);

Tailwind

colors: {
  custom: {
    50: '#7597c7',
    500: '#256faf',
    950: '#000000',
  },
}

SCSS

$custom: #256faf;
$custom-light: #7597c7;
$custom-dark: #000000;

JSON

{
  "hex": "#256faf",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 175
  },
  "hsl": {
    "h": 207.826,
    "s": 65.094,
    "l": 41.569
  },
  "oklch": {
    "l": 0.52874,
    "c": 0.1235,
    "h": 248.8
  },
  "luminance": 0.14857
}

Semantic roles & 50–950 ramp

primary

#256FAF

secondary

#C79469

accent

#8E40E8

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256FAF

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

Preview Lab → · Contrast checker → · Palette generator →