#256B7B#256B7B

#256B7B is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.1% C 0.073 H 215.9°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#256B7B
RGB	rgb(37, 107, 123)
HSL	hsl(191, 54%, 31%)
HSV	hsv(191, 70%, 48%)
CMYK	cmyk(69.9%, 13%, 0%, 51.8%)
CIE-LAB	lab(41.75, -16.11, -15.27)
CIE-LCH	lch(41.75, 22.19, 223.47°)
OKLab	oklab(49.14% -0.0588 -0.0425)
OKLCH	oklch(49.14% 0.073 215.9)
XYZ	xyz(9.5943, 12.3377, 20.6108)
Luminance	0.1234 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B7B #7B3525

analogous

#257B60 #256B7B #25407B

triadic

#256B7B #7B256B #6B7B25

tetradic

#256B7B #60257B #7B3525 #407B25

square

#256B7B #60257B #7B3525 #407B25

split-complementary

#256B7B #7B2540 #7B6025

monochromatic

#09191D #17424C #256B7B #3394AA #50B4CA

Accessibility & contrast

On white

6.06

#256B7B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#256B7B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B7B

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B7B	#FFFFFF	#000000	##FFFFFF
##256B7B	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#60687C

Deuteranopia (green-blind)

#545F7B

Tritanopia (blue-blind)

#007170

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #256b7b;
/* rgb */ color: rgb(37, 107, 123);
/* oklch */ color: oklch(49.1% 0.073 215.9);

Tailwind

colors: {
  custom: {
    50: '#6b95a1',
    500: '#256b7b',
    950: '#000000',
  },
}

SCSS

$custom: #256b7b;
$custom-light: #6b95a1;
$custom-dark: #000000;

JSON

{
  "hex": "#256b7b",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 123
  },
  "hsl": {
    "h": 191.163,
    "s": 53.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.49144,
    "c": 0.07258,
    "h": 215.9
  },
  "luminance": 0.12339
}

Semantic roles & 50–950 ramp

primary

#256B7B

secondary

#AD604F

accent

#664BDD

background

#F6F9F9

surface

#ECF1F2

border

#C7CBCC

text

#070D0F

muted

#7A7E7E

Preview Lab

Preview with #256B7B

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

Preview Lab → · Contrast checker → · Palette generator →