#5B8FBF#5B8FBF

#5B8FBF is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.3% C 0.092 H 247.6°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FBF
RGB	rgb(91, 143, 191)
HSL	hsl(209, 44%, 55%)
HSV	hsv(209, 52%, 75%)
CMYK	cmyk(52.4%, 25.1%, 0%, 25.1%)
CIE-LAB	lab(57.68, -3.61, -30.27)
CIE-LCH	lch(57.68, 30.49, 263.19°)
OKLab	oklab(63.33% -0.035 -0.0847)
OKLCH	oklch(63.33% 0.092 247.6)
XYZ	xyz(23.5375, 25.6288, 52.9866)
Luminance	0.2563 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FBF #BF8B5B

analogous

#5BBFBD #5B8FBF #5B5DBF

triadic

#5B8FBF #BF5B8F #8FBF5B

tetradic

#5B8FBF #BD5BBF #BF8B5B #5DBF5B

square

#5B8FBF #BD5BBF #BF8B5B #5DBF5B

split-complementary

#5B8FBF #BF5B5D #BFBD5B

monochromatic

#2D5173 #3E709F #5B8FBF #87ADD0 #B3CBE1

Accessibility & contrast

On white

3.43

#5B8FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#5B8FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FBF

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FBF	#FFFFFF	#000000	##000000
##5B8FBF	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B90C1

Deuteranopia (green-blind)

#6E86BE

Tritanopia (blue-blind)

#239A9F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5b8fbf;
/* rgb */ color: rgb(91, 143, 191);
/* oklch */ color: oklch(63.3% 0.092 247.6);

Tailwind

colors: {
  custom: {
    50: '#90afd2',
    500: '#5b8fbf',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fbf;
$custom-light: #90afd2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fbf",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 191
  },
  "hsl": {
    "h": 208.8,
    "s": 43.86,
    "l": 55.294
  },
  "oklch": {
    "l": 0.63329,
    "c": 0.09164,
    "h": 247.6
  },
  "luminance": 0.25631
}

Semantic roles & 50–950 ramp

primary

#5B8FBF

secondary

#D0BAA6

accent

#9154D4

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5B8FBF

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

Preview Lab → · Contrast checker → · Palette generator →