#256B99#256B99

#256B99 is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.6% C 0.100 H 241.8°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#256B99
RGB	rgb(37, 107, 153)
HSL	hsl(204, 61%, 37%)
HSV	hsv(204, 76%, 60%)
CMYK	cmyk(75.8%, 30.1%, 0%, 40%)
CIE-LAB	lab(43.07, -5.42, -31.20)
CIE-LCH	lch(43.07, 31.67, 260.14°)
OKLab	oklab(50.64% -0.0474 -0.0883)
OKLCH	oklch(50.64% 0.1 241.8)
XYZ	xyz(11.7682, 13.2072, 32.0598)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256B99 #995325

analogous

#25998D #256B99 #253199

triadic

#256B99 #99256B #6B9925

tetradic

#256B99 #8D2599 #995325 #319925

square

#256B99 #8D2599 #995325 #319925

split-complementary

#256B99 #992531 #998D25

monochromatic

#0D2636 #194968 #256B99 #318DCA #60A9D9

Accessibility & contrast

On white

5.77

#256B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#256B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256B99

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256B99	#FFFFFF	#000000	##FFFFFF
##256B99	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#566C9B

Deuteranopia (green-blind)

#466198

Tritanopia (blue-blind)

#00767B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #256b99;
/* rgb */ color: rgb(37, 107, 153);
/* oklch */ color: oklch(50.6% 0.100 241.8);

Tailwind

colors: {
  custom: {
    50: '#7095b7',
    500: '#256b99',
    950: '#000000',
  },
}

SCSS

$custom: #256b99;
$custom-light: #7095b7;
$custom-dark: #000000;

JSON

{
  "hex": "#256b99",
  "rgb": {
    "r": 37,
    "g": 107,
    "b": 153
  },
  "hsl": {
    "h": 203.793,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.50639,
    "c": 0.1002,
    "h": 241.8
  },
  "luminance": 0.13209
}

Semantic roles & 50–950 ramp

primary

#256B99

secondary

#BE835C

accent

#8344E4

background

#F7F9FB

surface

#EDF1F6

border

#C8CBD0

text

#090D11

muted

#7B7E80

Preview Lab

Preview with #256B99

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

Preview Lab → · Contrast checker → · Palette generator →