#4255C1#4255C1

#4255C1 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.7% C 0.170 H 271.3°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4255C1
RGB	rgb(66, 85, 193)
HSL	hsl(231, 51%, 51%)
HSV	hsv(231, 66%, 76%)
CMYK	cmyk(65.8%, 56%, 0%, 24.3%)
CIE-LAB	lab(40.42, 27.73, -58.93)
CIE-LCH	lch(40.42, 65.12, 295.20°)
OKLab	oklab(49.7% 0.0039 -0.1695)
OKLCH	oklch(49.7% 0.17 271.3)
XYZ	xyz(15.1177, 11.5041, 51.8656)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4255C1 #C1AE42

analogous

#4294C1 #4255C1 #6E42C1

triadic

#4255C1 #C14255 #55C142

tetradic

#4255C1 #C14294 #C1AE42 #42C16E

square

#4255C1 #C14294 #C1AE42 #42C16E

split-complementary

#4255C1 #C16E42 #94C142

monochromatic

#222C67 #314095 #4255C1 #707ED0 #9EA8DF

Accessibility & contrast

On white

6.36

#4255C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4255C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4255C1

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4255C1	#FFFFFF	#000000	##FFFFFF
##4255C1	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C5

Deuteranopia (green-blind)

#005ABF

Tritanopia (blue-blind)

#006F83

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4255c1;
/* rgb */ color: rgb(66, 85, 193);
/* oklch */ color: oklch(49.7% 0.170 271.3);

Tailwind

colors: {
  custom: {
    50: '#8484d4',
    500: '#4255c1',
    950: '#000000',
  },
}

SCSS

$custom: #4255c1;
$custom-light: #8484d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4255c1",
  "rgb": {
    "r": 66,
    "g": 85,
    "b": 193
  },
  "hsl": {
    "h": 231.024,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.49702,
    "c": 0.16952,
    "h": 271.3
  },
  "luminance": 0.11506
}

Semantic roles & 50–950 ramp

primary

#4255C1

secondary

#CCC393

accent

#C54EDA

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #4255C1

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

Preview Lab → · Contrast checker → · Palette generator →