#59B3EC#59B3EC

#59B3EC is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.5% C 0.119 H 239.1°. Best body text is #000000 at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#59B3EC
RGB	rgb(89, 179, 236)
HSL	hsl(203, 79%, 64%)
HSV	hsv(203, 62%, 93%)
CMYK	cmyk(62.3%, 24.2%, 0%, 7.5%)
CIE-LAB	lab(69.77, -10.02, -36.48)
CIE-LCH	lch(69.77, 37.84, 254.64°)
OKLab	oklab(73.47% -0.0614 -0.1024)
OKLCH	oklch(73.47% 0.119 239.1)
XYZ	xyz(35.3745, 40.4167, 85.2776)
Luminance	0.4042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B3EC #EC9259

analogous

#59ECDB #59B3EC #5969EC

triadic

#59B3EC #EC59B3 #B3EC59

tetradic

#59B3EC #DB59EC #EC9259 #69EC59

square

#59B3EC #DB59EC #EC9259 #69EC59

split-complementary

#59B3EC #EC5969 #ECDB59

monochromatic

#1577B6 #229AE6 #59B3EC #90CCF2 #C7E5F9

Accessibility & contrast

On white

2.31

#59B3EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.08

#59B3EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B3EC

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B3EC	#FFFFFF	#000000	##000000
##59B3EC	1.00	2.31	9.08	9.08
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.08	21.00	1.00	1.00
##000000	9.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B3EF

Deuteranopia (green-blind)

#85A4EB

Tritanopia (blue-blind)

#00C1C6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #59b3ec;
/* rgb */ color: rgb(89, 179, 236);
/* oklch */ color: oklch(73.5% 0.119 239.1);

Tailwind

colors: {
  custom: {
    50: '#95c9f2',
    500: '#59b3ec',
    950: '#000000',
  },
}

SCSS

$custom: #59b3ec;
$custom-light: #95c9f2;
$custom-dark: #000000;

JSON

{
  "hex": "#59b3ec",
  "rgb": {
    "r": 89,
    "g": 179,
    "b": 236
  },
  "hsl": {
    "h": 203.265,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.73474,
    "c": 0.11941,
    "h": 239.1
  },
  "luminance": 0.4042
}

Semantic roles & 50–950 ramp

primary

#59B3EC

secondary

#EACBB6

accent

#5B0ADC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B3EC

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

Preview Lab → · Contrast checker → · Palette generator →