#599EBB#599EBB

#599EBB is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.5% C 0.082 H 227.3°. Best body text is #000000 at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#599EBB
RGB	rgb(89, 158, 187)
HSL	hsl(198, 42%, 54%)
HSV	hsv(198, 52%, 73%)
CMYK	cmyk(52.4%, 15.5%, 0%, 26.7%)
CIE-LAB	lab(61.79, -13.63, -21.69)
CIE-LCH	lch(61.79, 25.62, 237.85°)
OKLab	oklab(66.51% -0.0556 -0.0602)
OKLCH	oklch(66.51% 0.082 227.3)
XYZ	xyz(25.3130, 30.1633, 51.4922)
Luminance	0.3016 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599EBB #BB7659

analogous

#59BBA7 #599EBB #596DBB

triadic

#599EBB #BB599E #9EBB59

tetradic

#599EBB #A759BB #BB7659 #6DBB59

square

#599EBB #A759BB #BB7659 #6DBB59

split-complementary

#599EBB #BB596D #BBA759

monochromatic

#2D5A6D #3E7E98 #599EBB #84B7CD #B0D1DF

Accessibility & contrast

On white

2.99

#599EBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.03

#599EBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #599EBB

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599EBB	#FFFFFF	#000000	##000000
##599EBB	1.00	2.99	7.03	7.03
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.03	21.00	1.00	1.00
##000000	7.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F9BBD

Deuteranopia (green-blind)

#8091BB

Tritanopia (blue-blind)

#1AA6A7

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #599ebb;
/* rgb */ color: rgb(89, 158, 187);
/* oklch */ color: oklch(66.5% 0.082 227.3);

Tailwind

colors: {
  custom: {
    50: '#8fbacf',
    500: '#599ebb',
    950: '#000000',
  },
}

SCSS

$custom: #599ebb;
$custom-light: #8fbacf;
$custom-dark: #000000;

JSON

{
  "hex": "#599ebb",
  "rgb": {
    "r": 89,
    "g": 158,
    "b": 187
  },
  "hsl": {
    "h": 197.755,
    "s": 41.88,
    "l": 54.118
  },
  "oklch": {
    "l": 0.66509,
    "c": 0.08194,
    "h": 227.3
  },
  "luminance": 0.30165
}

Semantic roles & 50–950 ramp

primary

#599EBB

secondary

#CDAFA3

accent

#7B56D2

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1113

muted

#7E8082

Preview Lab

Preview with #599EBB

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

Preview Lab → · Contrast checker → · Palette generator →