#5174CB#5174CB

#5174CB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.140 H 265.7°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#5174CB
RGB	rgb(81, 116, 203)
HSL	hsl(223, 54%, 56%)
HSV	hsv(223, 60%, 80%)
CMYK	cmyk(60.1%, 42.9%, 0%, 20.4%)
CIE-LAB	lab(50.16, 14.28, -48.98)
CIE-LCH	lch(50.16, 51.02, 286.25°)
OKLab	oklab(57.52% -0.0105 -0.1395)
OKLCH	oklch(57.52% 0.14 265.7)
XYZ	xyz(20.4145, 18.5502, 58.9931)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174CB #CBA851

analogous

#51B1CB #5174CB #6B51CB

triadic

#5174CB #CB5174 #74CB51

tetradic

#5174CB #CB51B1 #CBA851 #51CB6B

square

#5174CB #CB51B1 #CBA851 #51CB6B

split-complementary

#5174CB #CB6B51 #B1CB51

monochromatic

#253E7C #3356AC #5174CB #809AD9 #AFBFE7

Accessibility & contrast

On white

4.46

#5174CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#5174CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5174CB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174CB	#FFFFFF	#000000	##000000
##5174CB	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7DCE

Deuteranopia (green-blind)

#3B72C9

Tritanopia (blue-blind)

#008895

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5174cb;
/* rgb */ color: rgb(81, 116, 203);
/* oklch */ color: oklch(57.5% 0.140 265.7);

Tailwind

colors: {
  custom: {
    50: '#8c9bdb',
    500: '#5174cb',
    950: '#000000',
  },
}

SCSS

$custom: #5174cb;
$custom-light: #8c9bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#5174cb",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 203
  },
  "hsl": {
    "h": 222.787,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57523,
    "c": 0.13991,
    "h": 265.7
  },
  "luminance": 0.18552
}

Semantic roles & 50–950 ramp

primary

#5174CB

secondary

#D5C7A3

accent

#B34ADD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5174CB

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

Preview Lab → · Contrast checker → · Palette generator →