#425ACB#425ACB

#425ACB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.177 H 270.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#425ACB
RGB	rgb(66, 90, 203)
HSL	hsl(229, 57%, 53%)
HSV	hsv(229, 67%, 80%)
CMYK	cmyk(67.5%, 55.7%, 0%, 20.4%)
CIE-LAB	lab(42.43, 28.07, -61.45)
CIE-LCH	lch(42.43, 67.56, 294.55°)
OKLab	oklab(51.44% 0 -0.1768)
OKLCH	oklch(51.44% 0.177 270)
XYZ	xyz(16.6788, 12.7808, 58.0763)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425ACB #CBB342

analogous

#429ECB #425ACB #6E42CB

triadic

#425ACB #CB425A #5ACB42

tetradic

#425ACB #CB429E #CBB342 #42CB6E

square

#425ACB #CB429E #CBB342 #42CB6E

split-complementary

#425ACB #CB6E42 #9ECB42

monochromatic

#202E73 #2D42A3 #425ACB #7284D8 #A2AEE5

Accessibility & contrast

On white

5.90

#425ACB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#425ACB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425ACB

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425ACB	#FFFFFF	#000000	##FFFFFF
##425ACB	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BCF

Deuteranopia (green-blind)

#005EC9

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425acb;
/* rgb */ color: rgb(66, 90, 203);
/* oklch */ color: oklch(51.4% 0.177 270.0);

Tailwind

colors: {
  custom: {
    50: '#8688dc',
    500: '#425acb',
    950: '#000000',
  },
}

SCSS

$custom: #425acb;
$custom-light: #8688dc;
$custom-dark: #000000;

JSON

{
  "hex": "#425acb",
  "rgb": {
    "r": 66,
    "g": 90,
    "b": 203
  },
  "hsl": {
    "h": 229.489,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.5144,
    "c": 0.17685,
    "h": 270
  },
  "luminance": 0.12782
}

Semantic roles & 50–950 ramp

primary

#425ACB

secondary

#D2C897

accent

#C548E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425ACB

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

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