#256D8E#256D8E

#256D8E is a mid, moderate cyan. Relative luminance 0.133; OKLCH L 50.6% C 0.087 H 232.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#256D8E
RGB	rgb(37, 109, 142)
HSL	hsl(199, 59%, 35%)
HSV	hsv(199, 74%, 56%)
CMYK	cmyk(73.9%, 23.2%, 0%, 44.3%)
CIE-LAB	lab(43.19, -10.62, -24.48)
CIE-LCH	lch(43.19, 26.68, 246.54°)
OKLab	oklab(50.56% -0.0533 -0.0688)
OKLCH	oklch(50.56% 0.087 232.2)
XYZ	xyz(11.1121, 13.2823, 27.5640)
Luminance	0.1328 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256D8E #8E4625

analogous

#258E7A #256D8E #25398E

triadic

#256D8E #8E256D #6D8E25

tetradic

#256D8E #7A258E #8E4625 #398E25

square

#256D8E #7A258E #8E4625 #398E25

split-complementary

#256D8E #8E2539 #8E7A25

monochromatic

#0C222D #18485D #256D8E #3292BF #5AADD4

Accessibility & contrast

On white

5.74

#256D8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#256D8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D8E

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256D8E	#FFFFFF	#000000	##FFFFFF
##256D8E	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6C90

Deuteranopia (green-blind)

#4E628E

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256d8e;
/* rgb */ color: rgb(37, 109, 142);
/* oklch */ color: oklch(50.6% 0.087 232.2);

Tailwind

colors: {
  custom: {
    50: '#6e96af',
    500: '#256d8e',
    950: '#000000',
  },
}

SCSS

$custom: #256d8e;
$custom-light: #6e96af;
$custom-dark: #000000;

JSON

{
  "hex": "#256d8e",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 142
  },
  "hsl": {
    "h": 198.857,
    "s": 58.659,
    "l": 35.098
  },
  "oklch": {
    "l": 0.50558,
    "c": 0.08703,
    "h": 232.2
  },
  "luminance": 0.13284
}

Semantic roles & 50–950 ramp

primary

#256D8E

secondary

#B97556

accent

#7746E2

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080D10

muted

#7B7E7F

Preview Lab

Preview with #256D8E

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

Preview Lab → · Contrast checker → · Palette generator →