#5781BC#5781BC

#5781BC is a mid, moderate blue. Relative luminance 0.214; OKLCH L 59.8% C 0.102 H 257.0°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#5781BC
RGB	rgb(87, 129, 188)
HSL	hsl(215, 43%, 54%)
HSV	hsv(215, 54%, 74%)
CMYK	cmyk(53.7%, 31.4%, 0%, 26.3%)
CIE-LAB	lab(53.34, 2.71, -35.36)
CIE-LCH	lch(53.34, 35.46, 274.38°)
OKLab	oklab(59.82% -0.023 -0.0995)
OKLCH	oklch(59.82% 0.102 257)
XYZ	xyz(20.8547, 21.3560, 50.5903)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5781BC #BC9257

analogous

#57B4BC #5781BC #6057BC

triadic

#5781BC #BC5781 #81BC57

tetradic

#5781BC #BC57B4 #BC9257 #57BC60

square

#5781BC #BC57B4 #BC9257 #57BC60

split-complementary

#5781BC #BC6057 #B4BC57

monochromatic

#2C476D #3D6399 #5781BC #83A2CD #AFC3DF

Accessibility & contrast

On white

3.98

#5781BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#5781BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5781BC

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5781BC	#FFFFFF	#000000	##000000
##5781BC	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6985BF

Deuteranopia (green-blind)

#5D7BBB

Tritanopia (blue-blind)

#1E8E96

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5781bc;
/* rgb */ color: rgb(87, 129, 188);
/* oklch */ color: oklch(59.8% 0.102 257.0);

Tailwind

colors: {
  custom: {
    50: '#8da5d0',
    500: '#5781bc',
    950: '#000000',
  },
}

SCSS

$custom: #5781bc;
$custom-light: #8da5d0;
$custom-dark: #000000;

JSON

{
  "hex": "#5781bc",
  "rgb": {
    "r": 87,
    "g": 129,
    "b": 188
  },
  "hsl": {
    "h": 215.05,
    "s": 42.979,
    "l": 53.922
  },
  "oklch": {
    "l": 0.59821,
    "c": 0.10212,
    "h": 257
  },
  "luminance": 0.21358
}

Semantic roles & 50–950 ramp

primary

#5781BC

secondary

#CDBBA2

accent

#9E55D3

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #5781BC

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

Preview Lab → · Contrast checker → · Palette generator →