#4F7FCB#4F7FCB

#4F7FCB is a mid, vivid blue. Relative luminance 0.212; OKLCH L 59.8% C 0.128 H 259.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#4F7FCB
RGB	rgb(79, 127, 203)
HSL	hsl(217, 54%, 55%)
HSV	hsv(217, 61%, 80%)
CMYK	cmyk(61.1%, 37.4%, 0%, 20.4%)
CIE-LAB	lab(53.11, 7.17, -44.29)
CIE-LCH	lch(53.11, 44.86, 279.19°)
OKLab	oklab(59.78% -0.0239 -0.1257)
OKLCH	oklch(59.78% 0.128 259.2)
XYZ	xyz(21.5895, 21.1509, 59.4331)
Luminance	0.2115 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F7FCB #CB9B4F

analogous

#4FBDCB #4F7FCB #5D4FCB

triadic

#4F7FCB #CB4F7F #7FCB4F

tetradic

#4F7FCB #CB4FBD #CB9B4F #4FCB5D

square

#4F7FCB #CB4FBD #CB9B4F #4FCB5D

split-complementary

#4F7FCB #CB5D4F #BDCB4F

monochromatic

#24467B #3261AA #4F7FCB #7EA1D9 #ADC4E7

Accessibility & contrast

On white

4.01

#4F7FCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#4F7FCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F7FCB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F7FCB	#FFFFFF	#000000	##000000
##4F7FCB	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E85CE

Deuteranopia (green-blind)

#4E7AC9

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #4f7fcb;
/* rgb */ color: rgb(79, 127, 203);
/* oklch */ color: oklch(59.8% 0.128 259.2);

Tailwind

colors: {
  custom: {
    50: '#8ba3db',
    500: '#4f7fcb',
    950: '#000000',
  },
}

SCSS

$custom: #4f7fcb;
$custom-light: #8ba3db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f7fcb",
  "rgb": {
    "r": 79,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 216.774,
    "s": 54.386,
    "l": 55.294
  },
  "oklch": {
    "l": 0.59783,
    "c": 0.12792,
    "h": 259.2
  },
  "luminance": 0.21153
}

Semantic roles & 50–950 ramp

primary

#4F7FCB

secondary

#D5C1A1

accent

#A54ADE

background

#F9FAFD

surface

#F1F3FB

border

#CBCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #4F7FCB

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

Preview Lab → · Contrast checker → · Palette generator →