#5158BC#5158BC

#5158BC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.155 H 276.4°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5158BC
RGB	rgb(81, 88, 188)
HSL	hsl(236, 44%, 53%)
HSV	hsv(236, 57%, 74%)
CMYK	cmyk(56.9%, 53.2%, 0%, 26.3%)
CIE-LAB	lab(41.78, 26.78, -53.76)
CIE-LCH	lch(41.78, 60.06, 296.48°)
OKLab	oklab(50.86% 0.0172 -0.1539)
OKLCH	oklch(50.86% 0.155 276.4)
XYZ	xyz(15.9573, 12.3585, 49.1118)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5158BC #BCB551

analogous

#518DBC #5158BC #8051BC

triadic

#5158BC #BC5158 #58BC51

tetradic

#5158BC #BC518D #BCB551 #51BC80

square

#5158BC #BC518D #BCB551 #51BC80

split-complementary

#5158BC #BC8051 #8DBC51

monochromatic

#292D6A #3A4096 #5158BC #7D82CD #A9ADDE

Accessibility & contrast

On white

6.05

#5158BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#5158BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5158BC

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5158BC	#FFFFFF	#000000	##FFFFFF
##5158BC	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D67BF

Deuteranopia (green-blind)

#005EBA

Tritanopia (blue-blind)

#126F81

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #5158bc;
/* rgb */ color: rgb(81, 88, 188);
/* oklch */ color: oklch(50.9% 0.155 276.4);

Tailwind

colors: {
  custom: {
    50: '#8b87d1',
    500: '#5158bc',
    950: '#000000',
  },
}

SCSS

$custom: #5158bc;
$custom-light: #8b87d1;
$custom-dark: #000000;

JSON

{
  "hex": "#5158bc",
  "rgb": {
    "r": 81,
    "g": 88,
    "b": 188
  },
  "hsl": {
    "h": 236.075,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5086,
    "c": 0.15483,
    "h": 276.4
  },
  "luminance": 0.1236
}

Semantic roles & 50–950 ramp

primary

#5158BC

secondary

#CCC99D

accent

#CC54D4

background

#F9F8FC

surface

#F1EFF9

border

#CBCAD2

text

#0D0B14

muted

#7E7C82

Preview Lab

Preview with #5158BC

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

Preview Lab → · Contrast checker → · Palette generator →