#258BDC#258BDC

#258BDC is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.0% C 0.151 H 248.0°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#258BDC
RGB	rgb(37, 139, 220)
HSL	hsl(207, 72%, 50%)
HSV	hsv(207, 83%, 86%)
CMYK	cmyk(83.2%, 36.8%, 0%, 13.7%)
CIE-LAB	lab(56.11, 0.34, -49.21)
CIE-LCH	lch(56.11, 49.21, 270.40°)
OKLab	oklab(62.04% -0.0567 -0.1404)
OKLCH	oklch(62.04% 0.151 248)
XYZ	xyz(22.9088, 24.0230, 71.1257)
Luminance	0.2403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#258BDC #DC7625

analogous

#25DCD1 #258BDC #2530DC

triadic

#258BDC #DC258B #8BDC25

tetradic

#258BDC #D125DC #DC7625 #30DC25

square

#258BDC #D125DC #DC7625 #30DC25

split-complementary

#258BDC #DC2530 #DCD125

monochromatic

#134974 #1B6AA9 #258BDC #5AA7E4 #8EC3ED

Accessibility & contrast

On white

3.62

#258BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#258BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #258BDC

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##258BDC	#FFFFFF	#000000	##000000
##258BDC	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648FDF

Deuteranopia (green-blind)

#497FDA

Tritanopia (blue-blind)

#009FA9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #258bdc;
/* rgb */ color: rgb(37, 139, 220);
/* oklch */ color: oklch(62.0% 0.151 248.0);

Tailwind

colors: {
  custom: {
    50: '#7eace7',
    500: '#258bdc',
    950: '#000000',
  },
}

SCSS

$custom: #258bdc;
$custom-light: #7eace7;
$custom-dark: #000000;

JSON

{
  "hex": "#258bdc",
  "rgb": {
    "r": 37,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 206.557,
    "s": 72.332,
    "l": 50.392
  },
  "oklch": {
    "l": 0.62044,
    "c": 0.15142,
    "h": 248
  },
  "luminance": 0.24026
}

Semantic roles & 50–950 ramp

primary

#258BDC

secondary

#D7AA86

accent

#8939EF

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C1016

muted

#7D7F84

Preview Lab

Preview with #258BDC

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

Preview Lab → · Contrast checker → · Palette generator →