#5B7BBB#5B7BBB

#5B7BBB is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.7% C 0.105 H 263.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#5B7BBB
RGB	rgb(91, 123, 187)
HSL	hsl(220, 41%, 55%)
HSV	hsv(220, 51%, 73%)
CMYK	cmyk(51.3%, 34.2%, 0%, 26.7%)
CIE-LAB	lab(51.81, 6.90, -37.17)
CIE-LCH	lch(51.81, 37.80, 280.52°)
OKLab	oklab(58.68% -0.0123 -0.1047)
OKLCH	oklch(58.68% 0.105 263.3)
XYZ	xyz(20.3640, 19.9765, 49.7868)
Luminance	0.1998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B7BBB #BB9B5B

analogous

#5BABBB #5B7BBB #6B5BBB

triadic

#5B7BBB #BB5B7B #7BBB5B

tetradic

#5B7BBB #BB5BAB #BB9B5B #5BBB6B

square

#5B7BBB #BB5BAB #BB9B5B #5BBB6B

split-complementary

#5B7BBB #BB6B5B #ABBB5B

monochromatic

#2E436E #405D99 #5B7BBB #869ECD #B2C1DF

Accessibility & contrast

On white

4.20

#5B7BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#5B7BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B7BBB

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B7BBB	#FFFFFF	#000000	##000000
##5B7BBB	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6280BE

Deuteranopia (green-blind)

#5777BA

Tritanopia (blue-blind)

#2E8992

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5b7bbb;
/* rgb */ color: rgb(91, 123, 187);
/* oklch */ color: oklch(58.7% 0.105 263.3);

Tailwind

colors: {
  custom: {
    50: '#8fa0d0',
    500: '#5b7bbb',
    950: '#000000',
  },
}

SCSS

$custom: #5b7bbb;
$custom-light: #8fa0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b7bbb",
  "rgb": {
    "r": 91,
    "g": 123,
    "b": 187
  },
  "hsl": {
    "h": 220,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.58675,
    "c": 0.10545,
    "h": 263.3
  },
  "luminance": 0.19978
}

Semantic roles & 50–950 ramp

primary

#5B7BBB

secondary

#CDC0A5

accent

#A857D1

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B7BBB

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

Preview Lab → · Contrast checker → · Palette generator →