#256BAC#256BAC

#256BAC is a mid, vivid cyan. Relative luminance 0.139; OKLCH L 51.7% C 0.124 H 250.3°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#256BAC
RGB	rgb(37, 107, 172)
HSL	hsl(209, 65%, 41%)
HSV	hsv(209, 78%, 67%)
CMYK	cmyk(78.5%, 37.8%, 0%, 32.5%)
CIE-LAB	lab(44.07, 1.73, -40.85)
CIE-LCH	lch(44.07, 40.88, 272.42°)
OKLab	oklab(51.75% -0.0418 -0.1165)
OKLCH	oklch(51.75% 0.124 250.3)
XYZ	xyz(13.4642, 13.8857, 40.9923)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256BAC #AC6625

analogous

#25ACA9 #256BAC #2527AC

triadic

#256BAC #AC256B #6BAC25

tetradic

#256BAC #A925AC #AC6625 #27AC25

square

#256BAC #A925AC #AC6625 #27AC25

split-complementary

#256BAC #AC2527 #ACA925

monochromatic

#0F2C47 #1A4C7A #256BAC #3A8AD5 #6CA8DF

Accessibility & contrast

On white

5.56

#256BAC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#256BAC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256BAC

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256BAC	#FFFFFF	#000000	##FFFFFF
##256BAC	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6FAF

Deuteranopia (green-blind)

#3863AB

Tritanopia (blue-blind)

#007A83

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256bac;
/* rgb */ color: rgb(37, 107, 172);
/* oklch */ color: oklch(51.7% 0.124 250.3);

Tailwind

colors: {
  custom: {
    50: '#7494c5',
    500: '#256bac',
    950: '#000000',
  },
}

SCSS

$custom: #256bac;
$custom-light: #7494c5;
$custom-dark: #000000;

JSON

{
  "hex": "#256bac",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 172
  },
  "hsl": {
    "h": 208.889,
    "s": 64.593,
    "l": 40.98
  },
  "oklch": {
    "l": 0.51748,
    "c": 0.12373,
    "h": 250.3
  },
  "luminance": 0.13887
}

Semantic roles & 50–950 ramp

primary

#256BAC

secondary

#C69567

accent

#9140E8

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#090D13

muted

#7B7E82

Preview Lab

Preview with #256BAC

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

Preview Lab → · Contrast checker → · Palette generator →