#256AB0#256AB0

#256AB0 is a mid, vivid cyan. Relative luminance 0.138; OKLCH L 51.8% C 0.130 H 252.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#256AB0
RGB	rgb(37, 106, 176)
HSL	hsl(210, 65%, 42%)
HSV	hsv(210, 79%, 69%)
CMYK	cmyk(79%, 39.8%, 0%, 31%)
CIE-LAB	lab(43.99, 3.88, -43.31)
CIE-LCH	lch(43.99, 43.48, 275.12°)
OKLab	oklab(51.76% -0.0399 -0.1237)
OKLCH	oklch(51.76% 0.13 252.1)
XYZ	xyz(13.7505, 13.8343, 43.0115)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256AB0 #B06B25

analogous

#25B0B0 #256AB0 #2625B0

triadic

#256AB0 #B0256A #6AB025

tetradic

#256AB0 #B025B0 #B06B25 #25B026

square

#256AB0 #B025B0 #B06B25 #25B026

split-complementary

#256AB0 #B02625 #B0B025

monochromatic

#102D4B #1A4C7D #256AB0 #3C89D6 #6FA7E1

Accessibility & contrast

On white

5.57

#256AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#256AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AB0

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256AB0	#FFFFFF	#000000	##FFFFFF
##256AB0	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486FB3

Deuteranopia (green-blind)

#3262AF

Tritanopia (blue-blind)

#007B84

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #256ab0;
/* rgb */ color: rgb(37, 106, 176);
/* oklch */ color: oklch(51.8% 0.130 252.1);

Tailwind

colors: {
  custom: {
    50: '#7594c8',
    500: '#256ab0',
    950: '#000000',
  },
}

SCSS

$custom: #256ab0;
$custom-light: #7594c8;
$custom-dark: #000000;

JSON

{
  "hex": "#256ab0",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 176
  },
  "hsl": {
    "h": 210.216,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.51763,
    "c": 0.12996,
    "h": 252.1
  },
  "luminance": 0.13836
}

Semantic roles & 50–950 ramp

primary

#256AB0

secondary

#C7996A

accent

#9540E8

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256AB0

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

Preview Lab → · Contrast checker → · Palette generator →