#256DB0#256DB0

#256DB0 is a mid, vivid cyan. Relative luminance 0.145; OKLCH L 52.5% C 0.127 H 250.4°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#256DB0
RGB	rgb(37, 109, 176)
HSL	hsl(209, 65%, 42%)
HSV	hsv(209, 79%, 69%)
CMYK	cmyk(79%, 38.1%, 0%, 31%)
CIE-LAB	lab(44.89, 2.01, -41.88)
CIE-LCH	lch(44.89, 41.93, 272.75°)
OKLab	oklab(52.46% -0.0425 -0.1195)
OKLCH	oklch(52.46% 0.127 250.4)
XYZ	xyz(14.0651, 14.4635, 43.1163)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256DB0 #B06825

analogous

#25B0AE #256DB0 #2528B0

triadic

#256DB0 #B0256D #6DB025

tetradic

#256DB0 #AE25B0 #B06825 #28B025

square

#256DB0 #AE25B0 #B06825 #28B025

split-complementary

#256DB0 #B02528 #B0AE25

monochromatic

#102E4B #1A4E7D #256DB0 #3C8CD6 #6FAAE1

Accessibility & contrast

On white

5.39

#256DB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#256DB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256DB0

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256DB0	#FFFFFF	#000000	##FFFFFF
##256DB0	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D71B3

Deuteranopia (green-blind)

#3864AF

Tritanopia (blue-blind)

#007D86

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #256db0;
/* rgb */ color: rgb(37, 109, 176);
/* oklch */ color: oklch(52.5% 0.127 250.4);

Tailwind

colors: {
  custom: {
    50: '#7596c8',
    500: '#256db0',
    950: '#000000',
  },
}

SCSS

$custom: #256db0;
$custom-light: #7596c8;
$custom-dark: #000000;

JSON

{
  "hex": "#256db0",
  "rgb": {
    "r": 37,
    "g": 109,
    "b": 176
  },
  "hsl": {
    "h": 208.921,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.52464,
    "c": 0.12681,
    "h": 250.4
  },
  "luminance": 0.14465
}

Semantic roles & 50–950 ramp

primary

#256DB0

secondary

#C7976A

accent

#9140E8

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#0A0D13

muted

#7C7E82

Preview Lab

Preview with #256DB0

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

Preview Lab → · Contrast checker → · Palette generator →