#256D7C#256D7C

#256D7C is a mid, moderate cyan. Relative luminance 0.128; OKLCH L 49.7% C 0.073 H 214.2°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#256D7C
RGB	rgb(37, 109, 124)
HSL	hsl(190, 54%, 32%)
HSV	hsv(190, 70%, 49%)
CMYK	cmyk(70.2%, 12.1%, 0%, 51.4%)
CIE-LAB	lab(42.44, -16.88, -14.82)
CIE-LCH	lch(42.44, 22.47, 221.28°)
OKLab	oklab(49.71% -0.0606 -0.0412)
OKLCH	oklch(49.71% 0.073 214.2)
XYZ	xyz(9.8682, 12.7847, 21.0125)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256D7C #7C3425

analogous

#257C60 #256D7C #25427C

triadic

#256D7C #7C256D #6D7C25

tetradic

#256D7C #60257C #7C3425 #427C25

square

#256D7C #60257C #7C3425 #427C25

split-complementary

#256D7C #7C2542 #7C6025

monochromatic

#091A1E #17444D #256D7C #3396AB #50B6CB

Accessibility & contrast

On white

5.90

#256D7C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#256D7C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256D7C

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256D7C	#FFFFFF	#000000	##FFFFFF
##256D7C	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62697D

Deuteranopia (green-blind)

#56607C

Tritanopia (blue-blind)

#007372

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #256d7c;
/* rgb */ color: rgb(37, 109, 124);
/* oklch */ color: oklch(49.7% 0.073 214.2);

Tailwind

colors: {
  custom: {
    50: '#6c97a2',
    500: '#256d7c',
    950: '#000000',
  },
}

SCSS

$custom: #256d7c;
$custom-light: #6c97a2;
$custom-dark: #000000;

JSON

{
  "hex": "#256d7c",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 124
  },
  "hsl": {
    "h": 190.345,
    "s": 54.037,
    "l": 31.569
  },
  "oklch": {
    "l": 0.49711,
    "c": 0.07332,
    "h": 214.2
  },
  "luminance": 0.12786
}

Semantic roles & 50–950 ramp

primary

#256D7C

secondary

#AE5F4F

accent

#644ADD

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#080D0F

muted

#7B7E7E

Preview Lab

Preview with #256D7C

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

Preview Lab → · Contrast checker → · Palette generator →