#5F78BB#5F78BB

#5F78BB is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.3% C 0.107 H 267.5°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#5F78BB
RGB	rgb(95, 120, 187)
HSL	hsl(224, 40%, 55%)
HSV	hsv(224, 49%, 73%)
CMYK	cmyk(49.2%, 35.8%, 0%, 26.7%)
CIE-LAB	lab(51.21, 9.67, -38.09)
CIE-LCH	lch(51.21, 39.30, 284.24°)
OKLab	oklab(58.27% -0.0047 -0.1074)
OKLCH	oklch(58.27% 0.107 267.5)
XYZ	xyz(20.4025, 19.4524, 49.6837)
Luminance	0.1945 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F78BB #BBA25F

analogous

#5FA6BB #5F78BB #745FBB

triadic

#5F78BB #BB5F78 #78BB5F

tetradic

#5F78BB #BB5FA6 #BBA25F #5FBB74

square

#5F78BB #BB5FA6 #BBA25F #5FBB74

split-complementary

#5F78BB #BB745F #A6BB5F

monochromatic

#304170 #425A9B #5F78BB #8A9CCD #B5C0E0

Accessibility & contrast

On white

4.29

#5F78BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#5F78BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F78BB

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F78BB	#FFFFFF	#000000	##000000
##5F78BB	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7EBE

Deuteranopia (green-blind)

#5576BA

Tritanopia (blue-blind)

#398691

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5f78bb;
/* rgb */ color: rgb(95, 120, 187);
/* oklch */ color: oklch(58.3% 0.107 267.5);

Tailwind

colors: {
  custom: {
    50: '#919ed0',
    500: '#5f78bb',
    950: '#000000',
  },
}

SCSS

$custom: #5f78bb;
$custom-light: #919ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#5f78bb",
  "rgb": {
    "r": 95,
    "g": 120,
    "b": 187
  },
  "hsl": {
    "h": 223.696,
    "s": 40.351,
    "l": 55.294
  },
  "oklch": {
    "l": 0.58274,
    "c": 0.10746,
    "h": 267.5
  },
  "luminance": 0.19454
}

Semantic roles & 50–950 ramp

primary

#5F78BB

secondary

#CEC4A8

accent

#AF58D0

background

#F9F9FC

surface

#F2F2F9

border

#CCCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #5F78BB

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

Preview Lab → · Contrast checker → · Palette generator →