#427EDA#427EDA

#427EDA is a mid, vivid blue. Relative luminance 0.211; OKLCH L 59.9% C 0.154 H 258.8°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#427EDA
RGB	rgb(66, 126, 218)
HSL	hsl(216, 67%, 56%)
HSV	hsv(216, 70%, 85%)
CMYK	cmyk(69.7%, 42.2%, 0%, 14.5%)
CIE-LAB	lab(53.10, 10.80, -52.83)
CIE-LCH	lch(53.10, 53.92, 281.55°)
OKLab	oklab(59.89% -0.03 -0.1509)
OKLCH	oklch(59.89% 0.154 258.8)
XYZ	xyz(22.3579, 21.1396, 69.2181)
Luminance	0.2114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#427EDA #DA9E42

analogous

#42CADA #427EDA #5242DA

triadic

#427EDA #DA427E #7EDA42

tetradic

#427EDA #DA42CA #DA9E42 #42DA52

square

#427EDA #DA42CA #DA9E42 #42DA52

split-complementary

#427EDA #DA5242 #CADA42

monochromatic

#1A4587 #2460BA #427EDA #75A1E4 #A8C4EE

Accessibility & contrast

On white

4.02

#427EDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#427EDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #427EDA

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##427EDA	#FFFFFF	#000000	##000000
##427EDA	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5286DE

Deuteranopia (green-blind)

#3878D8

Tritanopia (blue-blind)

#0093A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #427eda;
/* rgb */ color: rgb(66, 126, 218);
/* oklch */ color: oklch(59.9% 0.154 258.8);

Tailwind

colors: {
  custom: {
    50: '#87a2e6',
    500: '#427eda',
    950: '#000000',
  },
}

SCSS

$custom: #427eda;
$custom-light: #87a2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#427eda",
  "rgb": {
    "r": 66,
    "g": 126,
    "b": 218
  },
  "hsl": {
    "h": 216.316,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59888,
    "c": 0.15388,
    "h": 258.8
  },
  "luminance": 0.21142
}

Semantic roles & 50–950 ramp

primary

#427EDA

secondary

#DBC39C

accent

#A63EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0F16

muted

#7E7E84

Preview Lab

Preview with #427EDA

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

Preview Lab → · Contrast checker → · Palette generator →