#58B4EF#58B4EF

#58B4EF is a light, vivid cyan. Relative luminance 0.409; OKLCH L 73.8% C 0.122 H 239.5°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#58B4EF
RGB	rgb(88, 180, 239)
HSL	hsl(203, 83%, 64%)
HSV	hsv(203, 63%, 94%)
CMYK	cmyk(63.2%, 24.7%, 0%, 6.3%)
CIE-LAB	lab(70.14, -9.79, -37.54)
CIE-LCH	lch(70.14, 38.79, 255.38°)
OKLab	oklab(73.8% -0.0621 -0.1055)
OKLCH	oklch(73.8% 0.122 239.5)
XYZ	xyz(35.9198, 40.9456, 87.6549)
Luminance	0.4095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58B4EF #EF9358

analogous

#58EFDF #58B4EF #5869EF

triadic

#58B4EF #EF58B4 #B4EF58

tetradic

#58B4EF #DF58EF #EF9358 #69EF58

square

#58B4EF #DF58EF #EF9358 #69EF58

split-complementary

#58B4EF #EF5869 #EFDF58

monochromatic

#1279BB #209BEA #58B4EF #90CDF4 #C8E6FA

Accessibility & contrast

On white

2.29

#58B4EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#58B4EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #58B4EF

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58B4EF	#FFFFFF	#000000	##000000
##58B4EF	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B4F2

Deuteranopia (green-blind)

#84A5EE

Tritanopia (blue-blind)

#00C3C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #58b4ef;
/* rgb */ color: rgb(88, 180, 239);
/* oklch */ color: oklch(73.8% 0.122 239.5);

Tailwind

colors: {
  custom: {
    50: '#95caf4',
    500: '#58b4ef',
    950: '#000000',
  },
}

SCSS

$custom: #58b4ef;
$custom-light: #95caf4;
$custom-dark: #000000;

JSON

{
  "hex": "#58b4ef",
  "rgb": {
    "r": 88,
    "g": 180,
    "b": 239
  },
  "hsl": {
    "h": 203.444,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.738,
    "c": 0.12239,
    "h": 239.5
  },
  "luminance": 0.40949
}

Semantic roles & 50–950 ramp

primary

#58B4EF

secondary

#ECCCB7

accent

#5B07DF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #58B4EF

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

Preview Lab → · Contrast checker → · Palette generator →