#425DCB#425DCB

#425DCB is a mid, vivid blue. Relative luminance 0.133; OKLCH L 52.0% C 0.173 H 269.2°. Best body text is #FFFFFF at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#425DCB
RGB	rgb(66, 93, 203)
HSL	hsl(228, 57%, 53%)
HSV	hsv(228, 67%, 80%)
CMYK	cmyk(67.5%, 54.2%, 0%, 20.4%)
CIE-LAB	lab(43.21, 26.16, -60.20)
CIE-LCH	lch(43.21, 65.63, 293.49°)
OKLab	oklab(52.02% -0.0025 -0.1731)
OKLCH	oklch(52.02% 0.173 269.2)
XYZ	xyz(16.9369, 13.2971, 58.1624)
Luminance	0.1330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425DCB #CBB042

analogous

#42A1CB #425DCB #6B42CB

triadic

#425DCB #CB425D #5DCB42

tetradic

#425DCB #CB42A1 #CBB042 #42CB6B

square

#425DCB #CB42A1 #CBB042 #42CB6B

split-complementary

#425DCB #CB6B42 #A1CB42

monochromatic

#203073 #2D44A3 #425DCB #7286D8 #A2AFE5

Accessibility & contrast

On white

5.74

#425DCB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#425DCB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425DCB

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425DCB	#FFFFFF	#000000	##FFFFFF
##425DCB	1.00	5.74	3.66	5.74
#FFFFFF	5.74	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#046DCF

Deuteranopia (green-blind)

#0060C9

Tritanopia (blue-blind)

#00778B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #425dcb;
/* rgb */ color: rgb(66, 93, 203);
/* oklch */ color: oklch(52.0% 0.173 269.2);

Tailwind

colors: {
  custom: {
    50: '#868adc',
    500: '#425dcb',
    950: '#000000',
  },
}

SCSS

$custom: #425dcb;
$custom-light: #868adc;
$custom-dark: #000000;

JSON

{
  "hex": "#425dcb",
  "rgb": {
    "r": 66,
    "g": 93,
    "b": 203
  },
  "hsl": {
    "h": 228.175,
    "s": 56.846,
    "l": 52.745
  },
  "oklch": {
    "l": 0.52023,
    "c": 0.17313,
    "h": 269.2
  },
  "luminance": 0.13299
}

Semantic roles & 50–950 ramp

primary

#425DCB

secondary

#D2C697

accent

#C248E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #425DCB

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

Preview Lab → · Contrast checker → · Palette generator →