#5B7FDB#5B7FDB

#5B7FDB is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.3% C 0.145 H 266.1°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#5B7FDB
RGB	rgb(91, 127, 219)
HSL	hsl(223, 64%, 61%)
HSV	hsv(223, 58%, 86%)
CMYK	cmyk(58.4%, 42%, 0%, 14.1%)
CIE-LAB	lab(54.57, 14.83, -50.98)
CIE-LCH	lch(54.57, 53.10, 286.22°)
OKLab	oklab(61.35% -0.0098 -0.1451)
OKLCH	oklch(61.35% 0.145 266.1)
XYZ	xyz(24.6856, 22.5153, 70.0491)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B7FDB #DBB75B

analogous

#5BBFDB #5B7FDB #775BDB

triadic

#5B7FDB #DB5B7F #7FDB5B

tetradic

#5B7FDB #DB5BBF #DBB75B #5BDB77

square

#5B7FDB #DB5BBF #DBB75B #5BDB77

split-complementary

#5B7FDB #DB775B #BFDB5B

monochromatic

#22449A #2D5ACC #5B7FDB #8DA6E6 #BFCDF1

Accessibility & contrast

On white

3.82

#5B7FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#5B7FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B7FDB

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B7FDB	#FFFFFF	#000000	##000000
##5B7FDB	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5789DF

Deuteranopia (green-blind)

#457DD9

Tritanopia (blue-blind)

#0093A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5b7fdb;
/* rgb */ color: rgb(91, 127, 219);
/* oklch */ color: oklch(61.3% 0.145 266.1);

Tailwind

colors: {
  custom: {
    50: '#93a3e7',
    500: '#5b7fdb',
    950: '#000000',
  },
}

SCSS

$custom: #5b7fdb;
$custom-light: #93a3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5b7fdb",
  "rgb": {
    "r": 91,
    "g": 127,
    "b": 219
  },
  "hsl": {
    "h": 223.125,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.61348,
    "c": 0.1454,
    "h": 266.1
  },
  "luminance": 0.22517
}

Semantic roles & 50–950 ramp

primary

#5B7FDB

secondary

#E1D4B1

accent

#9A1ACC

background

#F9FAFE

surface

#F2F3FC

border

#CCCDD5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5B7FDB

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

Preview Lab → · Contrast checker → · Palette generator →