#58B5EF#58B5EF

#58B5EF is a light, vivid cyan. Relative luminance 0.414; OKLCH L 74.0% C 0.122 H 238.8°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#58B5EF
RGB	rgb(88, 181, 239)
HSL	hsl(203, 83%, 64%)
HSV	hsv(203, 63%, 94%)
CMYK	cmyk(63.2%, 24.3%, 0%, 6.3%)
CIE-LAB	lab(70.42, -10.33, -37.10)
CIE-LCH	lch(70.42, 38.51, 254.44°)
OKLab	oklab(74.02% -0.0631 -0.1042)
OKLCH	oklch(74.02% 0.122 238.8)
XYZ	xyz(36.1224, 41.3508, 87.7224)
Luminance	0.4135 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58B5EF #EF9258

analogous

#58EFDD #58B5EF #586AEF

triadic

#58B5EF #EF58B5 #B5EF58

tetradic

#58B5EF #DD58EF #EF9258 #6AEF58

square

#58B5EF #DD58EF #EF9258 #6AEF58

split-complementary

#58B5EF #EF586A #EFDD58

monochromatic

#127ABB #209CEA #58B5EF #90CEF4 #C8E6FA

Accessibility & contrast

On white

2.27

#58B5EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#58B5EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #58B5EF

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58B5EF	#FFFFFF	#000000	##000000
##58B5EF	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB5F2

Deuteranopia (green-blind)

#86A6EE

Tritanopia (blue-blind)

#00C4C9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #58b5ef;
/* rgb */ color: rgb(88, 181, 239);
/* oklch */ color: oklch(74.0% 0.122 238.8);

Tailwind

colors: {
  custom: {
    50: '#95cbf4',
    500: '#58b5ef',
    950: '#000000',
  },
}

SCSS

$custom: #58b5ef;
$custom-light: #95cbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#58b5ef",
  "rgb": {
    "r": 88,
    "g": 181,
    "b": 239
  },
  "hsl": {
    "h": 203.046,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.74025,
    "c": 0.12181,
    "h": 238.8
  },
  "luminance": 0.41354
}

Semantic roles & 50–950 ramp

primary

#58B5EF

secondary

#ECCBB7

accent

#5A07DF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #58B5EF

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

Preview Lab → · Contrast checker → · Palette generator →