#58B3EF#58B3EF

#58B3EF is a light, vivid cyan. Relative luminance 0.405; OKLCH L 73.6% C 0.123 H 240.2°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#58B3EF
RGB	rgb(88, 179, 239)
HSL	hsl(204, 83%, 64%)
HSV	hsv(204, 63%, 94%)
CMYK	cmyk(63.2%, 25.1%, 0%, 6.3%)
CIE-LAB	lab(69.85, -9.24, -37.98)
CIE-LCH	lch(69.85, 39.09, 256.32°)
OKLab	oklab(73.58% -0.0611 -0.1068)
OKLCH	oklch(73.58% 0.123 240.2)
XYZ	xyz(35.7187, 40.5433, 87.5879)
Luminance	0.4055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#58B3EF #EF9458

analogous

#58EFE0 #58B3EF #5868EF

triadic

#58B3EF #EF58B3 #B3EF58

tetradic

#58B3EF #E058EF #EF9458 #68EF58

square

#58B3EF #E058EF #EF9458 #68EF58

split-complementary

#58B3EF #EF5868 #EFE058

monochromatic

#1278BB #209AEA #58B3EF #90CCF4 #C8E6FA

Accessibility & contrast

On white

2.31

#58B3EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#58B3EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #58B3EF

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##58B3EF	#FFFFFF	#000000	##000000
##58B3EF	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)

#98B3F2

Deuteranopia (green-blind)

#83A4EE

Tritanopia (blue-blind)

#00C2C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #58b3ef;
/* rgb */ color: rgb(88, 179, 239);
/* oklch */ color: oklch(73.6% 0.123 240.2);

Tailwind

colors: {
  custom: {
    50: '#95c9f4',
    500: '#58b3ef',
    950: '#000000',
  },
}

SCSS

$custom: #58b3ef;
$custom-light: #95c9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#58b3ef",
  "rgb": {
    "r": 88,
    "g": 179,
    "b": 239
  },
  "hsl": {
    "h": 203.841,
    "s": 82.514,
    "l": 64.118
  },
  "oklch": {
    "l": 0.73576,
    "c": 0.12299,
    "h": 240.2
  },
  "luminance": 0.40547
}

Semantic roles & 50–950 ramp

primary

#58B3EF

secondary

#ECCCB7

accent

#5D07DF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #58B3EF

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

Preview Lab → · Contrast checker → · Palette generator →