#4B7FCB#4B7FCB

#4B7FCB is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.6% C 0.130 H 257.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4B7FCB
RGB	rgb(75, 127, 203)
HSL	hsl(216, 55%, 55%)
HSV	hsv(216, 63%, 80%)
CMYK	cmyk(63.1%, 37.4%, 0%, 20.4%)
CIE-LAB	lab(52.93, 6.42, -44.59)
CIE-LCH	lch(52.93, 45.05, 278.20°)
OKLab	oklab(59.59% -0.0272 -0.1266)
OKLCH	oklch(59.59% 0.13 257.9)
XYZ	xyz(21.2667, 20.9844, 59.4180)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B7FCB #CB974B

analogous

#4BBFCB #4B7FCB #574BCB

triadic

#4B7FCB #CB4B7F #7FCB4B

tetradic

#4B7FCB #CB4BBF #CB974B #4BCB57

square

#4B7FCB #CB4BBF #CB974B #4BCB57

split-complementary

#4B7FCB #CB574B #BFCB4B

monochromatic

#234679 #3161A8 #4B7FCB #7AA1D9 #AAC3E6

Accessibility & contrast

On white

4.04

#4B7FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#4B7FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B7FCB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B7FCB	#FFFFFF	#000000	##000000
##4B7FCB	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CE

Deuteranopia (green-blind)

#4C79C9

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4b7fcb;
/* rgb */ color: rgb(75, 127, 203);
/* oklch */ color: oklch(59.6% 0.130 257.9);

Tailwind

colors: {
  custom: {
    50: '#89a3db',
    500: '#4b7fcb',
    950: '#000000',
  },
}

SCSS

$custom: #4b7fcb;
$custom-light: #89a3db;
$custom-dark: #000000;

JSON

{
  "hex": "#4b7fcb",
  "rgb": {
    "r": 75,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 215.625,
    "s": 55.172,
    "l": 54.51
  },
  "oklch": {
    "l": 0.59592,
    "c": 0.12951,
    "h": 257.9
  },
  "luminance": 0.20986
}

Semantic roles & 50–950 ramp

primary

#4B7FCB

secondary

#D4BE9E

accent

#A249DF

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0D0F15

muted

#7D7F83

Preview Lab

Preview with #4B7FCB

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

Preview Lab → · Contrast checker → · Palette generator →