#425ADB#425ADB

#425ADB is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.7% C 0.198 H 270.1°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#425ADB
RGB	rgb(66, 90, 219)
HSL	hsl(231, 68%, 56%)
HSV	hsv(231, 70%, 86%)
CMYK	cmyk(69.9%, 58.9%, 0%, 14.1%)
CIE-LAB	lab(43.63, 33.71, -68.68)
CIE-LCH	lch(43.63, 76.51, 296.14°)
OKLab	oklab(52.71% 0.0004 -0.1981)
OKLCH	oklch(52.71% 0.198 270.1)
XYZ	xyz(18.6847, 13.5832, 68.6412)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425ADB #DBC342

analogous

#42A6DB #425ADB #7642DB

triadic

#425ADB #DB425A #5ADB42

tetradic

#425ADB #DB42A6 #DBC342 #42DB76

square

#425ADB #DB42A6 #DBC342 #42DB76

split-complementary

#425ADB #DB7642 #A6DB42

monochromatic

#1A2B89 #243CBC #425ADB #7587E5 #A9B4EF

Accessibility & contrast

On white

5.65

#425ADB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#425ADB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ADB

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425ADB	#FFFFFF	#000000	##FFFFFF
##425ADB	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDF

Deuteranopia (green-blind)

#0060D8

Tritanopia (blue-blind)

#007A92

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #425adb;
/* rgb */ color: rgb(66, 90, 219);
/* oklch */ color: oklch(52.7% 0.198 270.1);

Tailwind

colors: {
  custom: {
    50: '#8988e7',
    500: '#425adb',
    950: '#000000',
  },
}

SCSS

$custom: #425adb;
$custom-light: #8988e7;
$custom-dark: #000000;

JSON

{
  "hex": "#425adb",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 219
  },
  "hsl": {
    "h": 230.588,
    "s": 68,
    "l": 55.882
  },
  "oklch": {
    "l": 0.52711,
    "c": 0.19809,
    "h": 270.1
  },
  "luminance": 0.13585
}

Semantic roles & 50–950 ramp

primary

#425ADB

secondary

#DCD29D

accent

#D03DEB

background

#F9F8FE

surface

#F1EFFD

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #425ADB

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

Preview Lab → · Contrast checker → · Palette generator →