#256F9D#256F9D

#256F9D is a mid, moderate cyan. Relative luminance 0.142; OKLCH L 51.8% C 0.102 H 240.5°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#256F9D
RGB	rgb(37, 111, 157)
HSL	hsl(203, 62%, 38%)
HSV	hsv(203, 76%, 62%)
CMYK	cmyk(76.4%, 29.3%, 0%, 38.4%)
CIE-LAB	lab(44.51, -6.35, -31.32)
CIE-LCH	lch(44.51, 31.95, 258.54°)
OKLab	oklab(51.84% -0.05 -0.0886)
OKLCH	oklch(51.84% 0.102 240.5)
XYZ	xyz(12.5308, 14.1950, 33.9713)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256F9D #9D5325

analogous

#259D8F #256F9D #25339D

triadic

#256F9D #9D256F #6F9D25

tetradic

#256F9D #8F259D #9D5325 #339D25

square

#256F9D #8F259D #9D5325 #339D25

split-complementary

#256F9D #9D2533 #9D8F25

monochromatic

#0E293A #194C6B #256F9D #3192CE #62ACDA

Accessibility & contrast

On white

5.47

#256F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#256F9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256F9D

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256F9D	#FFFFFF	#000000	##FFFFFF
##256F9D	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#59709F

Deuteranopia (green-blind)

#49649C

Tritanopia (blue-blind)

#007A7F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #256f9d;
/* rgb */ color: rgb(37, 111, 157);
/* oklch */ color: oklch(51.8% 0.102 240.5);

Tailwind

colors: {
  custom: {
    50: '#7198ba',
    500: '#256f9d',
    950: '#000000',
  },
}

SCSS

$custom: #256f9d;
$custom-light: #7198ba;
$custom-dark: #000000;

JSON

{
  "hex": "#256f9d",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 157
  },
  "hsl": {
    "h": 203,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.51842,
    "c": 0.10173,
    "h": 240.5
  },
  "luminance": 0.14197
}

Semantic roles & 50–950 ramp

primary

#256F9D

secondary

#BF845E

accent

#8143E5

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256F9D

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

Preview Lab → · Contrast checker → · Palette generator →