#256CB2#256CB2

#256CB2 is a mid, vivid cyan. Relative luminance 0.143; OKLCH L 52.4% C 0.130 H 251.6°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#256CB2
RGB	rgb(37, 108, 178)
HSL	hsl(210, 66%, 42%)
HSV	hsv(210, 79%, 70%)
CMYK	cmyk(79.2%, 39.3%, 0%, 30.2%)
CIE-LAB	lab(44.70, 3.40, -43.35)
CIE-LCH	lch(44.70, 43.48, 274.48°)
OKLab	oklab(52.36% -0.0411 -0.1238)
OKLCH	oklch(52.36% 0.13 251.6)
XYZ	xyz(14.1584, 14.3311, 44.1308)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256CB2 #B26B25

analogous

#25B2B1 #256CB2 #2526B2

triadic

#256CB2 #B2256C #6CB225

tetradic

#256CB2 #B125B2 #B26B25 #26B225

square

#256CB2 #B125B2 #B26B25 #26B225

split-complementary

#256CB2 #B22526 #B2B125

monochromatic

#102F4D #1A4D7F #256CB2 #3D8BD7 #70A9E1

Accessibility & contrast

On white

5.43

#256CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#256CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256CB2

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256CB2	#FFFFFF	#000000	##FFFFFF
##256CB2	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B71B5

Deuteranopia (green-blind)

#3464B1

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #256cb2;
/* rgb */ color: rgb(37, 108, 178);
/* oklch */ color: oklch(52.4% 0.130 251.6);

Tailwind

colors: {
  custom: {
    50: '#7595c9',
    500: '#256cb2',
    950: '#000000',
  },
}

SCSS

$custom: #256cb2;
$custom-light: #7595c9;
$custom-dark: #000000;

JSON

{
  "hex": "#256cb2",
  "rgb": {
    "r": 37,
    "g": 108,
    "b": 178
  },
  "hsl": {
    "h": 209.787,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52355,
    "c": 0.13043,
    "h": 251.6
  },
  "luminance": 0.14333
}

Semantic roles & 50–950 ramp

primary

#256CB2

secondary

#C8996B

accent

#933FE9

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256CB2

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

Preview Lab → · Contrast checker → · Palette generator →