#427DD0#427DD0

#427DD0 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.1% C 0.142 H 257.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#427DD0
RGB	rgb(66, 125, 208)
HSL	hsl(215, 60%, 54%)
HSV	hsv(215, 68%, 82%)
CMYK	cmyk(68.3%, 39.9%, 0%, 18.4%)
CIE-LAB	lab(52.26, 7.86, -48.51)
CIE-LCH	lch(52.26, 49.15, 279.20°)
OKLab	oklab(59.05% -0.0311 -0.1383)
OKLCH	oklch(59.05% 0.142 257.3)
XYZ	xyz(20.9614, 20.3774, 62.4908)
Luminance	0.2038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427DD0 #D09542

analogous

#42C4D0 #427DD0 #4E42D0

triadic

#427DD0 #D0427D #7DD042

tetradic

#427DD0 #D042C4 #D09542 #42D04E

square

#427DD0 #D042C4 #D09542 #42D04E

split-complementary

#427DD0 #D04E42 #C4D042

monochromatic

#1E4479 #2A60AA #427DD0 #739FDC #A4C0E8

Accessibility & contrast

On white

4.14

#427DD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#427DD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427DD0

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427DD0	#FFFFFF	#000000	##000000
##427DD0	1.00	4.14	5.08	5.08
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5784D3

Deuteranopia (green-blind)

#4177CE

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #427dd0;
/* rgb */ color: rgb(66, 125, 208);
/* oklch */ color: oklch(59.1% 0.142 257.3);

Tailwind

colors: {
  custom: {
    50: '#86a2df',
    500: '#427dd0',
    950: '#000000',
  },
}

SCSS

$custom: #427dd0;
$custom-light: #86a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#427dd0",
  "rgb": {
    "r": 66,
    "g": 125,
    "b": 208
  },
  "hsl": {
    "h": 215.07,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.59054,
    "c": 0.14174,
    "h": 257.3
  },
  "luminance": 0.2038
}

Semantic roles & 50–950 ramp

primary

#427DD0

secondary

#D5BC99

accent

#A144E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #427DD0

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

Preview Lab → · Contrast checker → · Palette generator →