#5D99CB#5D99CB

#5D99CB is a light, moderate cyan. Relative luminance 0.294; OKLCH L 66.3% C 0.098 H 245.2°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#5D99CB
RGB	rgb(93, 153, 203)
HSL	hsl(207, 51%, 58%)
HSV	hsv(207, 54%, 80%)
CMYK	cmyk(54.2%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(61.15, -5.16, -31.64)
CIE-LCH	lch(61.15, 32.06, 260.74°)
OKLab	oklab(66.25% -0.041 -0.0886)
OKLCH	oklch(66.25% 0.098 245.2)
XYZ	xyz(26.6810, 29.4192, 60.7608)
Luminance	0.2942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D99CB #CB8F5D

analogous

#5DCBC6 #5D99CB #5D62CB

triadic

#5D99CB #CB5D99 #99CB5D

tetradic

#5D99CB #C65DCB #CB8F5D #62CB5D

square

#5D99CB #C65DCB #CB8F5D #62CB5D

split-complementary

#5D99CB #CB5D62 #CBC65D

monochromatic

#2A5B83 #397BB2 #5D99CB #8BB6DA #BAD3E9

Accessibility & contrast

On white

3.05

#5D99CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#5D99CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5D99CB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D99CB	#FFFFFF	#000000	##000000
##5D99CB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#849ACD

Deuteranopia (green-blind)

#758FCA

Tritanopia (blue-blind)

#12A5AA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5d99cb;
/* rgb */ color: rgb(93, 153, 203);
/* oklch */ color: oklch(66.3% 0.098 245.2);

Tailwind

colors: {
  custom: {
    50: '#92b6db',
    500: '#5d99cb',
    950: '#000000',
  },
}

SCSS

$custom: #5d99cb;
$custom-light: #92b6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5d99cb",
  "rgb": {
    "r": 93,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 207.273,
    "s": 51.402,
    "l": 58.039
  },
  "oklch": {
    "l": 0.66253,
    "c": 0.0976,
    "h": 245.2
  },
  "luminance": 0.29421
}

Semantic roles & 50–950 ramp

primary

#5D99CB

secondary

#D8C0AC

accent

#8D4DDB

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0E1115

muted

#7E8083

Preview Lab

Preview with #5D99CB

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

Preview Lab → · Contrast checker → · Palette generator →