#256EA5#256EA5

#256EA5 is a mid, moderate cyan. Relative luminance 0.143; OKLCH L 52.0% C 0.112 H 245.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#256EA5
RGB	rgb(37, 110, 165)
HSL	hsl(206, 63%, 40%)
HSV	hsv(206, 78%, 65%)
CMYK	cmyk(77.6%, 33.3%, 0%, 35.3%)
CIE-LAB	lab(44.60, -2.77, -35.89)
CIE-LCH	lch(44.60, 36.00, 265.59°)
OKLab	oklab(52.05% -0.0465 -0.1019)
OKLCH	oklch(52.05% 0.112 245.5)
XYZ	xyz(13.1278, 14.2602, 37.6506)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256EA5 #A55C25

analogous

#25A59C #256EA5 #252EA5

triadic

#256EA5 #A5256E #6EA525

tetradic

#256EA5 #9C25A5 #A55C25 #2EA525

square

#256EA5 #9C25A5 #A55C25 #2EA525

split-complementary

#256EA5 #A5252E #A59C25

monochromatic

#0F2B41 #1A4D73 #256EA5 #358FD2 #67AADD

Accessibility & contrast

On white

5.45

#256EA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#256EA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256EA5

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256EA5	#FFFFFF	#000000	##FFFFFF
##256EA5	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5570A7

Deuteranopia (green-blind)

#4264A4

Tritanopia (blue-blind)

#007B82

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #256ea5;
/* rgb */ color: rgb(37, 110, 165);
/* oklch */ color: oklch(52.0% 0.112 245.5);

Tailwind

colors: {
  custom: {
    50: '#7397c0',
    500: '#256ea5',
    950: '#000000',
  },
}

SCSS

$custom: #256ea5;
$custom-light: #7397c0;
$custom-dark: #000000;

JSON

{
  "hex": "#256ea5",
  "rgb": {
    "r": 37,
    "g": 110,
    "b": 165
  },
  "hsl": {
    "h": 205.781,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52046,
    "c": 0.11202,
    "h": 245.5
  },
  "luminance": 0.14262
}

Semantic roles & 50–950 ramp

primary

#256EA5

secondary

#C38C63

accent

#8841E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256EA5

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

Preview Lab → · Contrast checker → · Palette generator →