#4B6BCB#4B6BCB

#4B6BCB is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.3% C 0.153 H 267.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4B6BCB
RGB	rgb(75, 107, 203)
HSL	hsl(225, 55%, 55%)
HSV	hsv(225, 63%, 80%)
CMYK	cmyk(63.1%, 47.3%, 0%, 20.4%)
CIE-LAB	lab(47.39, 18.77, -53.42)
CIE-LCH	lch(47.39, 56.62, 289.36°)
OKLab	oklab(55.32% -0.0069 -0.1528)
OKLCH	oklch(55.32% 0.153 267.4)
XYZ	xyz(18.9352, 16.3214, 58.6408)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B6BCB #CBAB4B

analogous

#4BABCB #4B6BCB #6B4BCB

triadic

#4B6BCB #CB4B6B #6BCB4B

tetradic

#4B6BCB #CB4BAB #CBAB4B #4BCB6B

square

#4B6BCB #CB4BAB #CBAB4B #4BCB6B

split-complementary

#4B6BCB #CB6B4B #ABCB4B

monochromatic

#233879 #314EA8 #4B6BCB #7A92D9 #AAB9E6

Accessibility & contrast

On white

4.92

#4B6BCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4B6BCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B6BCB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B6BCB	#FFFFFF	#000000	##FFFFFF
##4B6BCB	1.00	4.92	4.26	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B77CF

Deuteranopia (green-blind)

#226BC9

Tritanopia (blue-blind)

#008191

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4b6bcb;
/* rgb */ color: rgb(75, 107, 203);
/* oklch */ color: oklch(55.3% 0.153 267.4);

Tailwind

colors: {
  custom: {
    50: '#8994db',
    500: '#4b6bcb',
    950: '#000000',
  },
}

SCSS

$custom: #4b6bcb;
$custom-light: #8994db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b6bcb",
  "rgb": {
    "r": 75,
    "g": 107,
    "b": 203
  },
  "hsl": {
    "h": 225,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.55322,
    "c": 0.15295,
    "h": 267.4
  },
  "luminance": 0.16323
}

Semantic roles & 50–950 ramp

primary

#4B6BCB

secondary

#D4C69E

accent

#B949DF

background

#F9F9FD

surface

#F1F1FB

border

#CBCBD4

text

#0D0D15

muted

#7E7E83

Preview Lab

Preview with #4B6BCB

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

Preview Lab → · Contrast checker → · Palette generator →