#425BA5#425BA5

#425BA5 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.122 H 267.7°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#425BA5
RGB	rgb(66, 91, 165)
HSL	hsl(225, 43%, 45%)
HSV	hsv(225, 60%, 65%)
CMYK	cmyk(60%, 44.8%, 0%, 35.3%)
CIE-LAB	lab(40.17, 14.01, -42.85)
CIE-LCH	lch(40.17, 45.08, 288.10°)
OKLab	oklab(48.92% -0.0049 -0.1221)
OKLCH	oklch(48.92% 0.122 267.7)
XYZ	xyz(12.7771, 11.3560, 37.1086)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425BA5 #A58C42

analogous

#428DA5 #425BA5 #5A42A5

triadic

#425BA5 #A5425B #5BA542

tetradic

#425BA5 #A5428D #A58C42 #42A55A

square

#425BA5 #A5428D #A58C42 #42A55A

split-complementary

#425BA5 #A55A42 #8DA542

monochromatic

#1F2B4E #314379 #425BA5 #637BC1 #8FA0D2

Accessibility & contrast

On white

6.42

#425BA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#425BA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425BA5

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425BA5	#FFFFFF	#000000	##FFFFFF
##425BA5	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3963A8

Deuteranopia (green-blind)

#2B5BA3

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #425ba5;
/* rgb */ color: rgb(66, 91, 165);
/* oklch */ color: oklch(48.9% 0.122 267.7);

Tailwind

colors: {
  custom: {
    50: '#7f89c0',
    500: '#425ba5',
    950: '#000000',
  },
}

SCSS

$custom: #425ba5;
$custom-light: #7f89c0;
$custom-dark: #000000;

JSON

{
  "hex": "#425ba5",
  "rgb": {
    "r": 66,
    "g": 91,
    "b": 165
  },
  "hsl": {
    "h": 224.848,
    "s": 42.857,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48923,
    "c": 0.12222,
    "h": 267.7
  },
  "luminance": 0.11357
}

Semantic roles & 50–950 ramp

primary

#425BA5

secondary

#BDAF85

accent

#B355D3

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #425BA5

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

Preview Lab → · Contrast checker → · Palette generator →