#5B7CDB#5B7CDB

#5B7CDB is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.149 H 267.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#5B7CDB
RGB	rgb(91, 124, 219)
HSL	hsl(225, 64%, 61%)
HSV	hsv(225, 58%, 86%)
CMYK	cmyk(58.4%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(53.76, 16.66, -52.27)
CIE-LCH	lch(53.76, 54.86, 287.67°)
OKLab	oklab(60.73% -0.0066 -0.1489)
OKLCH	oklch(60.73% 0.149 267.4)
XYZ	xyz(24.3039, 21.7520, 69.9219)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B7CDB #DBBA5B

analogous

#5BBCDB #5B7CDB #7A5BDB

triadic

#5B7CDB #DB5B7C #7CDB5B

tetradic

#5B7CDB #DB5BBC #DBBA5B #5BDB7A

square

#5B7CDB #DB5BBC #DBBA5B #5BDB7A

split-complementary

#5B7CDB #DB7A5B #BCDB5B

monochromatic

#22419A #2D56CC #5B7CDB #8DA4E6 #BFCCF1

Accessibility & contrast

On white

3.92

#5B7CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#5B7CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B7CDB

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B7CDB	#FFFFFF	#000000	##000000
##5B7CDB	1.00	3.92	5.35	5.35
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5187DF

Deuteranopia (green-blind)

#3F7BD9

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b7cdb;
/* rgb */ color: rgb(91, 124, 219);
/* oklch */ color: oklch(60.7% 0.149 267.4);

Tailwind

colors: {
  custom: {
    50: '#93a1e7',
    500: '#5b7cdb',
    950: '#000000',
  },
}

SCSS

$custom: #5b7cdb;
$custom-light: #93a1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b7cdb",
  "rgb": {
    "r": 91,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 224.531,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60728,
    "c": 0.14902,
    "h": 267.4
  },
  "luminance": 0.21754
}

Semantic roles & 50–950 ramp

primary

#5B7CDB

secondary

#E1D5B1

accent

#9E1ACC

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5B7CDB

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

Preview Lab → · Contrast checker → · Palette generator →