#5F75BB#5F75BB

#5F75BB is a mid, moderate blue. Relative luminance 0.187; OKLCH L 57.6% C 0.111 H 269.5°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5F75BB
RGB	rgb(95, 117, 187)
HSL	hsl(226, 40%, 55%)
HSV	hsv(226, 49%, 73%)
CMYK	cmyk(49.2%, 37.4%, 0%, 26.7%)
CIE-LAB	lab(50.38, 11.49, -39.40)
CIE-LCH	lch(50.38, 41.04, 286.26°)
OKLab	oklab(57.63% -0.001 -0.1112)
OKLCH	oklch(57.63% 0.111 269.5)
XYZ	xyz(20.0474, 18.7421, 49.5653)
Luminance	0.1874 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F75BB #BBA55F

analogous

#5FA3BB #5F75BB #775FBB

triadic

#5F75BB #BB5F75 #75BB5F

tetradic

#5F75BB #BB5FA3 #BBA55F #5FBB77

square

#5F75BB #BB5FA3 #BBA55F #5FBB77

split-complementary

#5F75BB #BB775F #A3BB5F

monochromatic

#303F70 #42579B #5F75BB #8A9ACD #B5BFE0

Accessibility & contrast

On white

4.42

#5F75BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5F75BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F75BB

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F75BB	#FFFFFF	#000000	##000000
##5F75BB	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7CBE

Deuteranopia (green-blind)

#5174B9

Tritanopia (blue-blind)

#39848F

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5f75bb;
/* rgb */ color: rgb(95, 117, 187);
/* oklch */ color: oklch(57.6% 0.111 269.5);

Tailwind

colors: {
  custom: {
    50: '#919cd0',
    500: '#5f75bb',
    950: '#000000',
  },
}

SCSS

$custom: #5f75bb;
$custom-light: #919cd0;
$custom-dark: #000000;

JSON

{
  "hex": "#5f75bb",
  "rgb": {
    "r": 95,
    "g": 117,
    "b": 187
  },
  "hsl": {
    "h": 225.652,
    "s": 40.351,
    "l": 55.294
  },
  "oklch": {
    "l": 0.57634,
    "c": 0.11118,
    "h": 269.5
  },
  "luminance": 0.18743
}

Semantic roles & 50–950 ramp

primary

#5F75BB

secondary

#CEC5A8

accent

#B358D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5F75BB

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

Preview Lab → · Contrast checker → · Palette generator →