#256CAB#256CAB

#256CAB is a mid, vivid cyan. Relative luminance 0.141; OKLCH L 51.9% C 0.121 H 249.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#256CAB
RGB	rgb(37, 108, 171)
HSL	hsl(208, 64%, 41%)
HSV	hsv(208, 78%, 67%)
CMYK	cmyk(78.4%, 36.8%, 0%, 32.9%)
CIE-LAB	lab(44.31, 0.73, -39.87)
CIE-LCH	lch(44.31, 39.88, 271.05°)
OKLab	oklab(51.92% -0.043 -0.1136)
OKLCH	oklch(51.92% 0.121 249.3)
XYZ	xyz(13.4734, 14.0571, 40.5234)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256CAB #AB6425

analogous

#25ABA7 #256CAB #2529AB

triadic

#256CAB #AB256C #6CAB25

tetradic

#256CAB #A725AB #AB6425 #29AB25

square

#256CAB #A725AB #AB6425 #29AB25

split-complementary

#256CAB #AB2529 #ABA725

monochromatic

#0F2C46 #1A4C79 #256CAB #398BD4 #6BA9DF

Accessibility & contrast

On white

5.51

#256CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#256CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256CAB

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256CAB	#FFFFFF	#000000	##FFFFFF
##256CAB	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6FAE

Deuteranopia (green-blind)

#3B63AA

Tritanopia (blue-blind)

#007B83

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #256cab;
/* rgb */ color: rgb(37, 108, 171);
/* oklch */ color: oklch(51.9% 0.121 249.3);

Tailwind

colors: {
  custom: {
    50: '#7495c4',
    500: '#256cab',
    950: '#000000',
  },
}

SCSS

$custom: #256cab;
$custom-light: #7495c4;
$custom-dark: #000000;

JSON

{
  "hex": "#256cab",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 171
  },
  "hsl": {
    "h": 208.209,
    "s": 64.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.51923,
    "c": 0.12143,
    "h": 249.3
  },
  "luminance": 0.14059
}

Semantic roles & 50–950 ramp

primary

#256CAB

secondary

#C59367

accent

#8F40E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#090D13

muted

#7B7E82

Preview Lab

Preview with #256CAB

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

Preview Lab → · Contrast checker → · Palette generator →