#424B70#424B70

#424B70 is a dark, moderate blue. Relative luminance 0.074; OKLCH L 42.1% C 0.063 H 273.0°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#424B70
RGB	rgb(66, 75, 112)
HSL	hsl(228, 26%, 35%)
HSV	hsv(228, 41%, 44%)
CMYK	cmyk(41.1%, 33%, 0%, 56.1%)
CIE-LAB	lab(32.61, 6.69, -22.47)
CIE-LCH	lch(32.61, 23.44, 286.57°)
OKLab	oklab(42.15% 0.0033 -0.0628)
OKLCH	oklch(42.15% 0.063 273)
XYZ	xyz(7.6866, 7.3599, 16.3417)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424B70 #706742

analogous

#426270 #424B70 #504270

triadic

#424B70 #70424B #4B7042

tetradic

#424B70 #704262 #706742 #427050

square

#424B70 #704262 #706742 #427050

split-complementary

#424B70 #705042 #627042

monochromatic

#151723 #2B3149 #424B70 #596597 #7B86B1

Accessibility & contrast

On white

8.50

#424B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#424B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424B70

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424B70	#FFFFFF	#000000	##FFFFFF
##424B70	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F72

Deuteranopia (green-blind)

#3B4B6F

Tritanopia (blue-blind)

#345258

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #424b70;
/* rgb */ color: rgb(66, 75, 112);
/* oklch */ color: oklch(42.1% 0.063 273.0);

Tailwind

colors: {
  custom: {
    50: '#787d99',
    500: '#424b70',
    950: '#000000',
  },
}

SCSS

$custom: #424b70;
$custom-light: #787d99;
$custom-dark: #000000;

JSON

{
  "hex": "#424b70",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 112
  },
  "hsl": {
    "h": 228.261,
    "s": 25.843,
    "l": 34.902
  },
  "oklch": {
    "l": 0.42147,
    "c": 0.06287,
    "h": 273
  },
  "luminance": 0.0736
}

Semantic roles & 50–950 ramp

primary

#424B70

secondary

#9D9471

accent

#B066C2

background

#F7F7F9

surface

#EDEEF2

border

#C8C9CC

text

#09090E

muted

#7B7B7E

Preview Lab

Preview with #424B70

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

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