#256AAA#256AAA

#256AAA is a mid, vivid cyan. Relative luminance 0.136; OKLCH L 51.4% C 0.122 H 250.2°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#256AAA
RGB	rgb(37, 106, 170)
HSL	hsl(209, 64%, 41%)
HSV	hsv(209, 78%, 67%)
CMYK	cmyk(78.2%, 37.6%, 0%, 33.3%)
CIE-LAB	lab(43.66, 1.59, -40.33)
CIE-LCH	lch(43.66, 40.36, 272.26°)
OKLab	oklab(51.39% -0.0414 -0.1149)
OKLCH	oklch(51.39% 0.122 250.2)
XYZ	xyz(13.1699, 13.6021, 39.9538)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#256AAA #AA6525

analogous

#25AAA7 #256AAA #2528AA

triadic

#256AAA #AA256A #6AAA25

tetradic

#256AAA #A725AA #AA6525 #28AA25

square

#256AAA #A725AA #AA6525 #28AA25

split-complementary

#256AAA #AA2528 #AAA725

monochromatic

#0F2B45 #1A4B78 #256AAA #3889D4 #6BA7DF

Accessibility & contrast

On white

5.64

#256AAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#256AAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #256AAA

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##256AAA	#FFFFFF	#000000	##FFFFFF
##256AAA	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C6EAD

Deuteranopia (green-blind)

#3862A9

Tritanopia (blue-blind)

#007982

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #256aaa;
/* rgb */ color: rgb(37, 106, 170);
/* oklch */ color: oklch(51.4% 0.122 250.2);

Tailwind

colors: {
  custom: {
    50: '#7494c3',
    500: '#256aaa',
    950: '#000000',
  },
}

SCSS

$custom: #256aaa;
$custom-light: #7494c3;
$custom-dark: #000000;

JSON

{
  "hex": "#256aaa",
  "rgb": {
    "r": 37,
    "g": 106,
    "b": 170
  },
  "hsl": {
    "h": 208.872,
    "s": 64.251,
    "l": 40.588
  },
  "oklch": {
    "l": 0.51389,
    "c": 0.12218,
    "h": 250.2
  },
  "luminance": 0.13604
}

Semantic roles & 50–950 ramp

primary

#256AAA

secondary

#C59466

accent

#9141E7

background

#F7F9FC

surface

#EEF1F8

border

#C9CBD1

text

#090D12

muted

#7B7E81

Preview Lab

Preview with #256AAA

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

Preview Lab → · Contrast checker → · Palette generator →