#5174CA#5174CA

#5174CA is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.5% C 0.139 H 265.6°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5174CA
RGB	rgb(81, 116, 202)
HSL	hsl(223, 53%, 55%)
HSV	hsv(223, 60%, 79%)
CMYK	cmyk(59.9%, 42.6%, 0%, 20.8%)
CIE-LAB	lab(50.10, 13.94, -48.50)
CIE-LCH	lch(50.10, 50.47, 286.03°)
OKLab	oklab(57.46% -0.0107 -0.1381)
OKLCH	oklch(57.46% 0.139 265.6)
XYZ	xyz(20.2958, 18.5027, 58.3675)
Luminance	0.1850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5174CA #CAA751

analogous

#51B0CA #5174CA #6B51CA

triadic

#5174CA #CA5174 #74CA51

tetradic

#5174CA #CA51B0 #CAA751 #51CA6B

square

#5174CA #CA51B0 #CAA751 #51CA6B

split-complementary

#5174CA #CA6B51 #B0CA51

monochromatic

#253E7B #3456AA #5174CA #8099D8 #AFBFE7

Accessibility & contrast

On white

4.47

#5174CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5174CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5174CA

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5174CA	#FFFFFF	#000000	##000000
##5174CA	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7DCD

Deuteranopia (green-blind)

#3C72C8

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5174ca;
/* rgb */ color: rgb(81, 116, 202);
/* oklch */ color: oklch(57.5% 0.139 265.6);

Tailwind

colors: {
  custom: {
    50: '#8c9bda',
    500: '#5174ca',
    950: '#000000',
  },
}

SCSS

$custom: #5174ca;
$custom-light: #8c9bda;
$custom-dark: #000000;

JSON

{
  "hex": "#5174ca",
  "rgb": {
    "r": 81,
    "g": 116,
    "b": 202
  },
  "hsl": {
    "h": 222.645,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.57461,
    "c": 0.13852,
    "h": 265.6
  },
  "luminance": 0.18504
}

Semantic roles & 50–950 ramp

primary

#5174CA

secondary

#D5C6A2

accent

#B34BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5174CA

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

Preview Lab → · Contrast checker → · Palette generator →