#4256A2#4256A2

#4256A2 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.124 H 270.1°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#4256A2
RGB	rgb(66, 86, 162)
HSL	hsl(228, 42%, 45%)
HSV	hsv(228, 59%, 64%)
CMYK	cmyk(59.3%, 46.9%, 0%, 36.5%)
CIE-LAB	lab(38.59, 16.19, -43.60)
CIE-LCH	lch(38.59, 46.51, 290.37°)
OKLab	oklab(47.65% 0.0001 -0.1244)
OKLCH	oklch(47.65% 0.124 270.1)
XYZ	xyz(12.0940, 10.4215, 35.5497)
Luminance	0.1042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4256A2 #A28E42

analogous

#4286A2 #4256A2 #5E42A2

triadic

#4256A2 #A24256 #56A242

tetradic

#4256A2 #A24286 #A28E42 #42A25E

square

#4256A2 #A24286 #A28E42 #42A25E

split-complementary

#4256A2 #A25E42 #86A242

monochromatic

#1F284B #303F77 #4256A2 #6275BF #8E9CD1

Accessibility & contrast

On white

6.81

#4256A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4256A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4256A2

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4256A2	#FFFFFF	#000000	##FFFFFF
##4256A2	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325FA5

Deuteranopia (green-blind)

#2457A0

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4256a2;
/* rgb */ color: rgb(66, 86, 162);
/* oklch */ color: oklch(47.7% 0.124 270.1);

Tailwind

colors: {
  custom: {
    50: '#7f85be',
    500: '#4256a2',
    950: '#000000',
  },
}

SCSS

$custom: #4256a2;
$custom-light: #7f85be;
$custom-dark: #000000;

JSON

{
  "hex": "#4256a2",
  "rgb": {
    "r": 66,
    "g": 86,
    "b": 162
  },
  "hsl": {
    "h": 227.5,
    "s": 42.105,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47652,
    "c": 0.12438,
    "h": 270.1
  },
  "luminance": 0.10422
}

Semantic roles & 50–950 ramp

primary

#4256A2

secondary

#BCB084

accent

#B856D2

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4256A2

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

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