#256CBE#256CBE

#256CBE is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 53.1% C 0.146 H 254.8°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#256CBE
RGB	rgb(37, 108, 190)
HSL	hsl(212, 67%, 45%)
HSV	hsv(212, 81%, 75%)
CMYK	cmyk(80.5%, 43.2%, 0%, 25.5%)
CIE-LAB	lab(45.41, 8.00, -49.20)
CIE-LCH	lch(45.41, 49.85, 279.23°)
OKLab	oklab(53.13% -0.0384 -0.141)
OKLCH	oklch(53.13% 0.146 254.8)
XYZ	xyz(15.4163, 14.8343, 50.7560)
Luminance	0.1484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256CBE #BE7725

analogous

#25B9BE #256CBE #2B25BE

triadic

#256CBE #BE256C #6CBE25

tetradic

#256CBE #BE25B9 #BE7725 #25BE2B

square

#256CBE #BE25B9 #BE7725 #25BE2B

split-complementary

#256CBE #BE2B25 #B9BE25

monochromatic

#113258 #1B4F8B #256CBE #458BDB #79ABE5

Accessibility & contrast

On white

5.29

#256CBE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#256CBE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256CBE

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

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

#4273C1

Deuteranopia (green-blind)

#2565BC

Tritanopia (blue-blind)

#00808C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #256cbe;
/* rgb */ color: rgb(37, 108, 190);
/* oklch */ color: oklch(53.1% 0.146 254.8);

Tailwind

colors: {
  custom: {
    50: '#7895d2',
    500: '#256cbe',
    950: '#000000',
  },
}

SCSS

$custom: #256cbe;
$custom-light: #7895d2;
$custom-dark: #000000;

JSON

{
  "hex": "#256cbe",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 190
  },
  "hsl": {
    "h": 212.157,
    "s": 67.401,
    "l": 44.51
  },
  "oklch": {
    "l": 0.53129,
    "c": 0.1461,
    "h": 254.8
  },
  "luminance": 0.14836
}

Semantic roles & 50–950 ramp

primary

#256CBE

secondary

#CDA372

accent

#9A3EEA

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0A0D14

muted

#7C7E82

Preview Lab

Preview with #256CBE

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

Preview Lab → · Contrast checker → · Palette generator →