#59B3EE#59B3EE

#59B3EE is a light, vivid cyan. Relative luminance 0.405; OKLCH L 73.6% C 0.121 H 240.0°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#59B3EE
RGB	rgb(89, 179, 238)
HSL	hsl(204, 81%, 64%)
HSV	hsv(204, 63%, 93%)
CMYK	cmyk(62.6%, 24.8%, 0%, 6.7%)
CIE-LAB	lab(69.85, -9.39, -37.44)
CIE-LCH	lch(69.85, 38.60, 255.92°)
OKLab	oklab(73.57% -0.0607 -0.1052)
OKLCH	oklch(73.57% 0.121 240)
XYZ	xyz(35.6667, 40.5335, 86.8164)
Luminance	0.4054 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B3EE #EE9459

analogous

#59EEDE #59B3EE #5969EE

triadic

#59B3EE #EE59B3 #B3EE59

tetradic

#59B3EE #DE59EE #EE9459 #69EE59

square

#59B3EE #DE59EE #EE9459 #69EE59

split-complementary

#59B3EE #EE5969 #EEDE59

monochromatic

#1378BA #219AE8 #59B3EE #91CCF4 #C8E6F9

Accessibility & contrast

On white

2.31

#59B3EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#59B3EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B3EE

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B3EE	#FFFFFF	#000000	##000000
##59B3EE	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B3F1

Deuteranopia (green-blind)

#84A4ED

Tritanopia (blue-blind)

#00C2C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #59b3ee;
/* rgb */ color: rgb(89, 179, 238);
/* oklch */ color: oklch(73.6% 0.121 240.0);

Tailwind

colors: {
  custom: {
    50: '#95c9f3',
    500: '#59b3ee',
    950: '#000000',
  },
}

SCSS

$custom: #59b3ee;
$custom-light: #95c9f3;
$custom-dark: #000000;

JSON

{
  "hex": "#59b3ee",
  "rgb": {
    "r": 89,
    "g": 179,
    "b": 238
  },
  "hsl": {
    "h": 203.758,
    "s": 81.421,
    "l": 64.118
  },
  "oklch": {
    "l": 0.73567,
    "c": 0.12147,
    "h": 240
  },
  "luminance": 0.40537
}

Semantic roles & 50–950 ramp

primary

#59B3EE

secondary

#EBCCB7

accent

#5C08DE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B3EE

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

Preview Lab → · Contrast checker → · Palette generator →