#5B87CB#5B87CB

#5B87CB is a light, moderate blue. Relative luminance 0.239; OKLCH L 62.1% C 0.114 H 258.8°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5B87CB
RGB	rgb(91, 135, 203)
HSL	hsl(216, 52%, 58%)
HSV	hsv(216, 55%, 80%)
CMYK	cmyk(55.2%, 33.5%, 0%, 20.4%)
CIE-LAB	lab(55.95, 4.82, -39.77)
CIE-LCH	lch(55.95, 40.07, 276.91°)
OKLab	oklab(62.15% -0.0222 -0.1122)
OKLCH	oklch(62.15% 0.114 258.8)
XYZ	xyz(23.7541, 23.8620, 59.8424)
Luminance	0.2386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B87CB #CB9F5B

analogous

#5BBFCB #5B87CB #675BCB

triadic

#5B87CB #CB5B87 #87CB5B

tetradic

#5B87CB #CB5BBF #CB9F5B #5BCB67

square

#5B87CB #CB5BBF #CB9F5B #5BCB67

split-complementary

#5B87CB #CB675B #BFCB5B

monochromatic

#294C82 #3867B1 #5B87CB #89A9DA #B8CBE8

Accessibility & contrast

On white

3.64

#5B87CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#5B87CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B87CB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B87CB	#FFFFFF	#000000	##000000
##5B87CB	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8CCE

Deuteranopia (green-blind)

#5E81CA

Tritanopia (blue-blind)

#1296A0

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5b87cb;
/* rgb */ color: rgb(91, 135, 203);
/* oklch */ color: oklch(62.1% 0.114 258.8);

Tailwind

colors: {
  custom: {
    50: '#91a9db',
    500: '#5b87cb',
    950: '#000000',
  },
}

SCSS

$custom: #5b87cb;
$custom-light: #91a9db;
$custom-dark: #000000;

JSON

{
  "hex": "#5b87cb",
  "rgb": {
    "r": 91,
    "g": 135,
    "b": 203
  },
  "hsl": {
    "h": 216.429,
    "s": 51.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.62148,
    "c": 0.1144,
    "h": 258.8
  },
  "luminance": 0.23864
}

Semantic roles & 50–950 ramp

primary

#5B87CB

secondary

#D7C6AA

accent

#A34CDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5B87CB

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

Preview Lab → · Contrast checker → · Palette generator →