#5B8FB3#5B8FB3

#5B8FB3 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.8% C 0.078 H 239.9°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FB3
RGB	rgb(91, 143, 179)
HSL	hsl(205, 37%, 53%)
HSV	hsv(205, 49%, 70%)
CMYK	cmyk(49.2%, 20.1%, 0%, 29.8%)
CIE-LAB	lab(57.19, -7.24, -24.22)
CIE-LCH	lch(57.19, 25.28, 253.35°)
OKLab	oklab(62.78% -0.0391 -0.0673)
OKLCH	oklch(62.78% 0.078 239.9)
XYZ	xyz(22.2706, 25.1221, 46.3146)
Luminance	0.2512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FB3 #B37F5B

analogous

#5BB3AB #5B8FB3 #5B63B3

triadic

#5B8FB3 #B35B8F #8FB35B

tetradic

#5B8FB3 #AB5BB3 #B37F5B #63B35B

square

#5B8FB3 #AB5BB3 #B37F5B #63B35B

split-complementary

#5B8FB3 #B35B63 #B3AB5B

monochromatic

#2F4F65 #426F8F #5B8FB3 #85ACC6 #AFC8DA

Accessibility & contrast

On white

3.49

#5B8FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#5B8FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FB3

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FB3	#FFFFFF	#000000	##000000
##5B8FB3	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8FB5

Deuteranopia (green-blind)

#7385B2

Tritanopia (blue-blind)

#30989B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #5b8fb3;
/* rgb */ color: rgb(91, 143, 179);
/* oklch */ color: oklch(62.8% 0.078 239.9);

Tailwind

colors: {
  custom: {
    50: '#8eafc9',
    500: '#5b8fb3',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fb3;
$custom-light: #8eafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fb3",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 179
  },
  "hsl": {
    "h": 204.545,
    "s": 36.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.62782,
    "c": 0.07786,
    "h": 239.9
  },
  "luminance": 0.25124
}

Semantic roles & 50–950 ramp

primary

#5B8FB3

secondary

#C8B1A2

accent

#8A5BCD

background

#F9FAFC

surface

#F1F4F8

border

#CBCED1

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #5B8FB3

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

Preview Lab → · Contrast checker → · Palette generator →