#425BB1#425BB1

#425BB1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.7% C 0.139 H 268.7°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#425BB1
RGB	rgb(66, 91, 177)
HSL	hsl(226, 46%, 48%)
HSV	hsv(226, 63%, 69%)
CMYK	cmyk(62.7%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(40.92, 18.22, -48.75)
CIE-LCH	lch(40.92, 52.05, 290.50°)
OKLab	oklab(49.73% -0.0031 -0.1395)
OKLCH	oklch(49.73% 0.139 268.7)
XYZ	xyz(13.9210, 11.8135, 43.1331)
Luminance	0.1182 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BB1 #B19842

analogous

#4293B1 #425BB1 #6042B1

triadic

#425BB1 #B1425B #5BB142

tetradic

#425BB1 #B14293 #B19842 #42B160

square

#425BB1 #B14293 #B19842 #42B160

split-complementary

#425BB1 #B16042 #93B142

monochromatic

#212D58 #314484 #425BB1 #697EC7 #96A5D8

Accessibility & contrast

On white

6.24

#425BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#425BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BB1

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BB1	#FFFFFF	#000000	##FFFFFF
##425BB1	1.00	6.24	3.36	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B4

Deuteranopia (green-blind)

#195CAF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #425bb1;
/* rgb */ color: rgb(66, 91, 177);
/* oklch */ color: oklch(49.7% 0.139 268.7);

Tailwind

colors: {
  custom: {
    50: '#8189c9',
    500: '#425bb1',
    950: '#000000',
  },
}

SCSS

$custom: #425bb1;
$custom-light: #8189c9;
$custom-dark: #000000;

JSON

{
  "hex": "#425bb1",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 226.486,
    "s": 45.679,
    "l": 47.647
  },
  "oklch": {
    "l": 0.49731,
    "c": 0.13949,
    "h": 268.7
  },
  "luminance": 0.11815
}

Semantic roles & 50–950 ramp

primary

#425BB1

secondary

#C3B78B

accent

#B852D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #425BB1

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

Preview Lab → · Contrast checker → · Palette generator →