#5791BB#5791BB

#5791BB is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.4% C 0.088 H 241.5°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#5791BB
RGB	rgb(87, 145, 187)
HSL	hsl(205, 42%, 54%)
HSV	hsv(205, 53%, 73%)
CMYK	cmyk(53.5%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(57.91, -6.89, -27.68)
CIE-LCH	lch(57.91, 28.52, 256.03°)
OKLab	oklab(63.4% -0.042 -0.0773)
OKLCH	oklch(63.4% 0.088 241.5)
XYZ	xyz(23.0223, 25.8630, 50.7829)
Luminance	0.2586 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5791BB #BB8157

analogous

#57BBB3 #5791BB #575FBB

triadic

#5791BB #BB5791 #91BB57

tetradic

#5791BB #B357BB #BB8157 #5FBB57

square

#5791BB #B357BB #BB8157 #5FBB57

split-complementary

#5791BB #BB575F #BBB357

monochromatic

#2C516C #3D7297 #5791BB #83AECD #AECADE

Accessibility & contrast

On white

3.40

#5791BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#5791BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5791BB

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5791BB	#FFFFFF	#000000	##000000
##5791BB	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F91BD

Deuteranopia (green-blind)

#7187BA

Tritanopia (blue-blind)

#189B9F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5791bb;
/* rgb */ color: rgb(87, 145, 187);
/* oklch */ color: oklch(63.4% 0.088 241.5);

Tailwind

colors: {
  custom: {
    50: '#8db1cf',
    500: '#5791bb',
    950: '#000000',
  },
}

SCSS

$custom: #5791bb;
$custom-light: #8db1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5791bb",
  "rgb": {
    "r": 87,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 205.2,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.634,
    "c": 0.08797,
    "h": 241.5
  },
  "luminance": 0.25865
}

Semantic roles & 50–950 ramp

primary

#5791BB

secondary

#CCB3A2

accent

#8A56D2

background

#F9FAFC

surface

#F1F5F9

border

#CBCFD2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5791BB

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

Preview Lab → · Contrast checker → · Palette generator →