#425EBB#425EBB

#425EBB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.150 H 268.1°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#425EBB
RGB	rgb(66, 94, 187)
HSL	hsl(226, 48%, 50%)
HSV	hsv(226, 65%, 73%)
CMYK	cmyk(64.7%, 49.7%, 0%, 26.7%)
CIE-LAB	lab(42.38, 19.84, -52.25)
CIE-LCH	lch(42.38, 55.89, 290.79°)
OKLab	oklab(51.05% -0.0049 -0.1497)
OKLCH	oklch(51.05% 0.15 268.1)
XYZ	xyz(15.2160, 12.7501, 48.6632)
Luminance	0.1275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#425EBB #BB9F42

analogous

#429ABB #425EBB #6342BB

triadic

#425EBB #BB425E #5EBB42

tetradic

#425EBB #BB429A #BB9F42 #42BB63

square

#425EBB #BB429A #BB9F42 #42BB63

split-complementary

#425EBB #BB6342 #9ABB42

monochromatic

#223161 #32478E #425EBB #6E84CC #9CAADC

Accessibility & contrast

On white

5.91

#425EBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#425EBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #425EBB

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##425EBB	#FFFFFF	#000000	##FFFFFF
##425EBB	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6ABE

Deuteranopia (green-blind)

#0A5FB9

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #425ebb;
/* rgb */ color: rgb(66, 94, 187);
/* oklch */ color: oklch(51.1% 0.150 268.1);

Tailwind

colors: {
  custom: {
    50: '#838bd0',
    500: '#425ebb',
    950: '#000000',
  },
}

SCSS

$custom: #425ebb;
$custom-light: #838bd0;
$custom-dark: #000000;

JSON

{
  "hex": "#425ebb",
  "rgb": {
    "r": 66,
    "g": 94,
    "b": 187
  },
  "hsl": {
    "h": 226.116,
    "s": 47.826,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51054,
    "c": 0.14979,
    "h": 268.1
  },
  "luminance": 0.12752
}

Semantic roles & 50–950 ramp

primary

#425EBB

secondary

#C8BB91

accent

#B850D7

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #425EBB

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

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