#256AB1#256AB1

#256AB1 is a mid, vivid cyan. Relative luminance 0.139; OKLCH L 51.8% C 0.131 H 252.4°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#256AB1
RGB	rgb(37, 106, 177)
HSL	hsl(210, 65%, 42%)
HSV	hsv(210, 79%, 69%)
CMYK	cmyk(79.1%, 40.1%, 0%, 30.6%)
CIE-LAB	lab(44.05, 4.27, -43.80)
CIE-LCH	lch(44.05, 44.01, 275.56°)
OKLab	oklab(51.83% -0.0396 -0.1251)
OKLCH	oklch(51.83% 0.131 252.4)
XYZ	xyz(13.8498, 13.8741, 43.5345)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256AB1 #B16C25

analogous

#25B0B1 #256AB1 #2625B1

triadic

#256AB1 #B1256A #6AB125

tetradic

#256AB1 #B125B0 #B16C25 #25B126

square

#256AB1 #B125B0 #B16C25 #25B126

split-complementary

#256AB1 #B12625 #B0B125

monochromatic

#102D4C #1A4C7E #256AB1 #3D89D6 #6FA7E1

Accessibility & contrast

On white

5.56

#256AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#256AB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AB1

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256AB1	#FFFFFF	#000000	##FFFFFF
##256AB1	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)

#486FB4

Deuteranopia (green-blind)

#3162B0

Tritanopia (blue-blind)

#007B85

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256ab1;
/* rgb */ color: rgb(37, 106, 177);
/* oklch */ color: oklch(51.8% 0.131 252.4);

Tailwind

colors: {
  custom: {
    50: '#7594c9',
    500: '#256ab1',
    950: '#000000',
  },
}

SCSS

$custom: #256ab1;
$custom-light: #7594c9;
$custom-dark: #000000;

JSON

{
  "hex": "#256ab1",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 177
  },
  "hsl": {
    "h": 210.429,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.51826,
    "c": 0.13127,
    "h": 252.4
  },
  "luminance": 0.13876
}

Semantic roles & 50–950 ramp

primary

#256AB1

secondary

#C89A6A

accent

#953FE8

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256AB1

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

Preview Lab → · Contrast checker → · Palette generator →