#5161BC#5161BC

#5161BC is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.6% C 0.143 H 273.0°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#5161BC
RGB	rgb(81, 97, 188)
HSL	hsl(231, 44%, 53%)
HSV	hsv(231, 57%, 74%)
CMYK	cmyk(56.9%, 48.4%, 0%, 26.3%)
CIE-LAB	lab(44.13, 21.10, -49.98)
CIE-LCH	lch(44.13, 54.25, 292.89°)
OKLab	oklab(52.63% 0.0076 -0.1427)
OKLCH	oklch(52.63% 0.143 273)
XYZ	xyz(16.7422, 13.9283, 49.3734)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5161BC #BCAC51

analogous

#5196BC #5161BC #7651BC

triadic

#5161BC #BC5161 #61BC51

tetradic

#5161BC #BC5196 #BCAC51 #51BC76

square

#5161BC #BC5196 #BCAC51 #51BC76

split-complementary

#5161BC #BC7651 #96BC51

monochromatic

#29326A #3A4896 #5161BC #7D89CD #A9B1DE

Accessibility & contrast

On white

5.55

#5161BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5161BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5161BC

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5161BC	#FFFFFF	#000000	##FFFFFF
##5161BC	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356DBF

Deuteranopia (green-blind)

#2564BA

Tritanopia (blue-blind)

#0E7585

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5161bc;
/* rgb */ color: rgb(81, 97, 188);
/* oklch */ color: oklch(52.6% 0.143 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a8dd1',
    500: '#5161bc',
    950: '#000000',
  },
}

SCSS

$custom: #5161bc;
$custom-light: #8a8dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#5161bc",
  "rgb": {
    "r": 81,
    "g": 97,
    "b": 188
  },
  "hsl": {
    "h": 231.028,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.52632,
    "c": 0.14287,
    "h": 273
  },
  "luminance": 0.1393
}

Semantic roles & 50–950 ramp

primary

#5161BC

secondary

#CCC59D

accent

#C154D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0D0C14

muted

#7D7D82

Preview Lab

Preview with #5161BC

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

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