#425C8B#425C8B

#425C8B is a mid, moderate blue. Relative luminance 0.107; OKLCH L 47.6% C 0.083 H 261.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#425C8B
RGB	rgb(66, 92, 139)
HSL	hsl(219, 36%, 40%)
HSV	hsv(219, 53%, 55%)
CMYK	cmyk(52.5%, 33.8%, 0%, 45.5%)
CIE-LAB	lab(39.03, 4.48, -29.07)
CIE-LCH	lch(39.03, 29.41, 278.76°)
OKLab	oklab(47.57% -0.012 -0.0818)
OKLCH	oklch(47.57% 0.083 261.7)
XYZ	xyz(10.7326, 10.6759, 25.9162)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425C8B #8B7142

analogous

#42818B #425C8B #4C428B

triadic

#425C8B #8B425C #5C8B42

tetradic

#425C8B #8B4281 #8B7142 #428B4C

square

#425C8B #8B4281 #8B7142 #428B4C

split-complementary

#425C8B #8B4C42 #818B42

monochromatic

#1B2538 #2E4162 #425C8B #5A79B1 #839AC4

Accessibility & contrast

On white

6.70

#425C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#425C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425C8B

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425C8B	#FFFFFF	#000000	##FFFFFF
##425C8B	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A608D

Deuteranopia (green-blind)

#41598A

Tritanopia (blue-blind)

#1F666D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #425c8b;
/* rgb */ color: rgb(66, 92, 139);
/* oklch */ color: oklch(47.6% 0.083 261.7);

Tailwind

colors: {
  custom: {
    50: '#7b89ad',
    500: '#425c8b',
    950: '#000000',
  },
}

SCSS

$custom: #425c8b;
$custom-light: #7b89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#425c8b",
  "rgb": {
    "r": 66,
    "g": 92,
    "b": 139
  },
  "hsl": {
    "h": 218.63,
    "s": 35.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.47571,
    "c": 0.08271,
    "h": 261.7
  },
  "luminance": 0.10677
}

Semantic roles & 50–950 ramp

primary

#425C8B

secondary

#AF9C7A

accent

#A45CCC

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #425C8B

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

Preview Lab → · Contrast checker → · Palette generator →