#425BD9#425BD9

#425BD9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.7% C 0.194 H 269.9°. Best body text is #FFFFFF at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#425BD9
RGB	rgb(66, 91, 217)
HSL	hsl(230, 67%, 55%)
HSV	hsv(230, 70%, 85%)
CMYK	cmyk(69.6%, 58.1%, 0%, 14.9%)
CIE-LAB	lab(43.72, 32.38, -67.39)
CIE-LCH	lch(43.72, 74.76, 295.66°)
OKLab	oklab(52.73% -0.0004 -0.1943)
OKLCH	oklch(52.73% 0.194 269.9)
XYZ	xyz(18.5080, 13.6483, 67.2912)
Luminance	0.1365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BD9 #D9C042

analogous

#42A7D9 #425BD9 #7442D9

triadic

#425BD9 #D9425B #5BD942

tetradic

#425BD9 #D942A7 #D9C042 #42D974

square

#425BD9 #D942A7 #D9C042 #42D974

split-complementary

#425BD9 #D97442 #A7D942

monochromatic

#1B2D86 #253EB9 #425BD9 #7587E3 #A8B3ED

Accessibility & contrast

On white

5.63

#425BD9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#425BD9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BD9

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BD9	#FFFFFF	#000000	##FFFFFF
##425BD9	1.00	5.63	3.73	5.63
#FFFFFF	5.63	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EDD

Deuteranopia (green-blind)

#0061D7

Tritanopia (blue-blind)

#007A91

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #425bd9;
/* rgb */ color: rgb(66, 91, 217);
/* oklch */ color: oklch(52.7% 0.194 269.9);

Tailwind

colors: {
  custom: {
    50: '#8989e6',
    500: '#425bd9',
    950: '#000000',
  },
}

SCSS

$custom: #425bd9;
$custom-light: #8989e6;
$custom-dark: #000000;

JSON

{
  "hex": "#425bd9",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 217
  },
  "hsl": {
    "h": 230.066,
    "s": 66.52,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52734,
    "c": 0.19427,
    "h": 269.9
  },
  "luminance": 0.1365
}

Semantic roles & 50–950 ramp

primary

#425BD9

secondary

#DBD09C

accent

#CD3EE9

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #425BD9

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

Preview Lab → · Contrast checker → · Palette generator →