#5B7BBF#5B7BBF

#5B7BBF is a mid, moderate blue. Relative luminance 0.202; OKLCH L 58.9% C 0.111 H 264.2°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#5B7BBF
RGB	rgb(91, 123, 191)
HSL	hsl(221, 44%, 55%)
HSV	hsv(221, 52%, 75%)
CMYK	cmyk(52.4%, 35.6%, 0%, 25.1%)
CIE-LAB	lab(52.01, 8.17, -39.15)
CIE-LCH	lch(52.01, 39.99, 281.78°)
OKLab	oklab(58.89% -0.0113 -0.1105)
OKLCH	oklch(58.89% 0.111 264.2)
XYZ	xyz(20.7982, 20.1502, 52.0735)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B7BBF #BF9F5B

analogous

#5BADBF #5B7BBF #6D5BBF

triadic

#5B7BBF #BF5B7B #7BBF5B

tetradic

#5B7BBF #BF5BAD #BF9F5B #5BBF6D

square

#5B7BBF #BF5BAD #BF9F5B #5BBF6D

split-complementary

#5B7BBF #BF6D5B #ADBF5B

monochromatic

#2D4373 #3E5D9F #5B7BBF #879ED0 #B3C2E1

Accessibility & contrast

On white

4.17

#5B7BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#5B7BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B7BBF

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B7BBF	#FFFFFF	#000000	##000000
##5B7BBF	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6081C2

Deuteranopia (green-blind)

#5578BE

Tritanopia (blue-blind)

#2A8A94

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #5b7bbf;
/* rgb */ color: rgb(91, 123, 191);
/* oklch */ color: oklch(58.9% 0.111 264.2);

Tailwind

colors: {
  custom: {
    50: '#90a0d2',
    500: '#5b7bbf',
    950: '#000000',
  },
}

SCSS

$custom: #5b7bbf;
$custom-light: #90a0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b7bbf",
  "rgb": {
    "r": 91,
    "g": 123,
    "b": 191
  },
  "hsl": {
    "h": 220.8,
    "s": 43.86,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58891,
    "c": 0.11109,
    "h": 264.2
  },
  "luminance": 0.20152
}

Semantic roles & 50–950 ramp

primary

#5B7BBF

secondary

#D0C2A6

accent

#AB54D4

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5B7BBF

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

Preview Lab → · Contrast checker → · Palette generator →