#425B9C#425B9C

#425B9C is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.3% C 0.109 H 266.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#425B9C
RGB	rgb(66, 91, 156)
HSL	hsl(223, 41%, 44%)
HSV	hsv(223, 58%, 61%)
CMYK	cmyk(57.7%, 41.7%, 0%, 38.8%)
CIE-LAB	lab(39.65, 10.88, -38.32)
CIE-LCH	lch(39.65, 39.84, 285.85°)
OKLab	oklab(48.35% -0.0066 -0.1088)
OKLCH	oklch(48.35% 0.109 266.5)
XYZ	xyz(11.9866, 11.0398, 32.9453)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425B9C #9C8342

analogous

#42889C #425B9C #56429C

triadic

#425B9C #9C425B #5B9C42

tetradic

#425B9C #9C4288 #9C8342 #429C56

square

#425B9C #9C4288 #9C8342 #429C56

split-complementary

#425B9C #9C5642 #889C42

monochromatic

#1E2946 #304271 #425B9C #6079BC #8B9DCE

Accessibility & contrast

On white

6.55

#425B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#425B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425B9C

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425B9C	#FFFFFF	#000000	##FFFFFF
##425B9C	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F629F

Deuteranopia (green-blind)

#345A9B

Tritanopia (blue-blind)

#036974

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #425b9c;
/* rgb */ color: rgb(66, 91, 156);
/* oklch */ color: oklch(48.3% 0.109 266.5);

Tailwind

colors: {
  custom: {
    50: '#7e89b9',
    500: '#425b9c',
    950: '#000000',
  },
}

SCSS

$custom: #425b9c;
$custom-light: #7e89b9;
$custom-dark: #000000;

JSON

{
  "hex": "#425b9c",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 156
  },
  "hsl": {
    "h": 223.333,
    "s": 40.541,
    "l": 43.529
  },
  "oklch": {
    "l": 0.48348,
    "c": 0.10905,
    "h": 266.5
  },
  "luminance": 0.11041
}

Semantic roles & 50–950 ramp

primary

#425B9C

secondary

#B9A981

accent

#AF57D0

background

#F8F8FB

surface

#EFEFF6

border

#CACAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #425B9C

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

Preview Lab → · Contrast checker → · Palette generator →