#256EB2#256EB2

#256EB2 is a mid, vivid cyan. Relative luminance 0.148; OKLCH L 52.8% C 0.128 H 250.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#256EB2
RGB	rgb(37, 110, 178)
HSL	hsl(209, 66%, 42%)
HSV	hsv(209, 79%, 70%)
CMYK	cmyk(79.2%, 38.2%, 0%, 30.2%)
CIE-LAB	lab(45.30, 2.15, -42.40)
CIE-LCH	lch(45.30, 42.45, 272.90°)
OKLab	oklab(52.82% -0.0429 -0.1209)
OKLCH	oklch(52.82% 0.128 250.5)
XYZ	xyz(14.3717, 14.7578, 44.2019)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256EB2 #B26925

analogous

#25B2AF #256EB2 #2528B2

triadic

#256EB2 #B2256E #6EB225

tetradic

#256EB2 #AF25B2 #B26925 #28B225

square

#256EB2 #AF25B2 #B26925 #28B225

split-complementary

#256EB2 #B22528 #B2AF25

monochromatic

#102F4D #1A4F7F #256EB2 #3D8DD7 #70ABE1

Accessibility & contrast

On white

5.31

#256EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#256EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256EB2

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256EB2	#FFFFFF	#000000	##FFFFFF
##256EB2	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E72B5

Deuteranopia (green-blind)

#3865B1

Tritanopia (blue-blind)

#007E87

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #256eb2;
/* rgb */ color: rgb(37, 110, 178);
/* oklch */ color: oklch(52.8% 0.128 250.5);

Tailwind

colors: {
  custom: {
    50: '#7597c9',
    500: '#256eb2',
    950: '#000000',
  },
}

SCSS

$custom: #256eb2;
$custom-light: #7597c9;
$custom-dark: #000000;

JSON

{
  "hex": "#256eb2",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 178
  },
  "hsl": {
    "h": 208.936,
    "s": 65.581,
    "l": 42.157
  },
  "oklch": {
    "l": 0.52821,
    "c": 0.12834,
    "h": 250.5
  },
  "luminance": 0.1476
}

Semantic roles & 50–950 ramp

primary

#256EB2

secondary

#C8986B

accent

#913FE9

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256EB2

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

Preview Lab → · Contrast checker → · Palette generator →