#258CDC#258CDC

#258CDC is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.3% C 0.150 H 247.5°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#258CDC
RGB	rgb(37, 140, 220)
HSL	hsl(206, 72%, 50%)
HSV	hsv(206, 83%, 86%)
CMYK	cmyk(83.2%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(56.40, -0.25, -48.74)
CIE-LCH	lch(56.40, 48.75, 269.71°)
OKLab	oklab(62.27% -0.0576 -0.139)
OKLCH	oklch(62.27% 0.15 247.5)
XYZ	xyz(23.0543, 24.3139, 71.1742)
Luminance	0.2432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258CDC #DC7525

analogous

#25DCD1 #258CDC #2530DC

triadic

#258CDC #DC258C #8CDC25

tetradic

#258CDC #D125DC #DC7525 #30DC25

square

#258CDC #D125DC #DC7525 #30DC25

split-complementary

#258CDC #DC2530 #DCD125

monochromatic

#134974 #1B6BA9 #258CDC #5AA8E4 #8EC4ED

Accessibility & contrast

On white

3.58

#258CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#258CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258CDC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258CDC	#FFFFFF	#000000	##000000
##258CDC	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6690DF

Deuteranopia (green-blind)

#4A80DA

Tritanopia (blue-blind)

#009FA9

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #258cdc;
/* rgb */ color: rgb(37, 140, 220);
/* oklch */ color: oklch(62.3% 0.150 247.5);

Tailwind

colors: {
  custom: {
    50: '#7eade7',
    500: '#258cdc',
    950: '#000000',
  },
}

SCSS

$custom: #258cdc;
$custom-light: #7eade7;
$custom-dark: #000000;

JSON

{
  "hex": "#258cdc",
  "rgb": {
    "r": 37,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 206.23,
    "s": 72.332,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62272,
    "c": 0.15047,
    "h": 247.5
  },
  "luminance": 0.24317
}

Semantic roles & 50–950 ramp

primary

#258CDC

secondary

#D7A986

accent

#8839EF

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #258CDC

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

Preview Lab → · Contrast checker → · Palette generator →