#256FA5#256FA5

#256FA5 is a mid, moderate cyan. Relative luminance 0.145; OKLCH L 52.3% C 0.111 H 244.7°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#256FA5
RGB	rgb(37, 111, 165)
HSL	hsl(205, 63%, 40%)
HSV	hsv(205, 78%, 65%)
CMYK	cmyk(77.6%, 32.7%, 0%, 35.3%)
CIE-LAB	lab(44.91, -3.37, -35.41)
CIE-LCH	lch(44.91, 35.57, 264.56°)
OKLab	oklab(52.29% -0.0475 -0.1005)
OKLCH	oklch(52.29% 0.111 244.7)
XYZ	xyz(13.2363, 14.4772, 37.6868)
Luminance	0.1448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256FA5 #A55B25

analogous

#25A59B #256FA5 #252FA5

triadic

#256FA5 #A5256F #6FA525

tetradic

#256FA5 #9B25A5 #A55B25 #2FA525

square

#256FA5 #9B25A5 #A55B25 #2FA525

split-complementary

#256FA5 #A5252F #A59B25

monochromatic

#0F2C41 #1A4D73 #256FA5 #3590D2 #67ABDD

Accessibility & contrast

On white

5.39

#256FA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#256FA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256FA5

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256FA5	#FFFFFF	#000000	##FFFFFF
##256FA5	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5671A7

Deuteranopia (green-blind)

#4465A4

Tritanopia (blue-blind)

#007C82

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #256fa5;
/* rgb */ color: rgb(37, 111, 165);
/* oklch */ color: oklch(52.3% 0.111 244.7);

Tailwind

colors: {
  custom: {
    50: '#7398c0',
    500: '#256fa5',
    950: '#000000',
  },
}

SCSS

$custom: #256fa5;
$custom-light: #7398c0;
$custom-dark: #000000;

JSON

{
  "hex": "#256fa5",
  "rgb": {
    "r": 37,
    "g": 111,
    "b": 165
  },
  "hsl": {
    "h": 205.313,
    "s": 63.366,
    "l": 39.608
  },
  "oklch": {
    "l": 0.52288,
    "c": 0.11114,
    "h": 244.7
  },
  "luminance": 0.14479
}

Semantic roles & 50–950 ramp

primary

#256FA5

secondary

#C38B63

accent

#8741E6

background

#F7F9FB

surface

#EDF2F7

border

#C8CCD0

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256FA5

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

Preview Lab → · Contrast checker → · Palette generator →