#42679E#42679E

#42679E is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.2% C 0.098 H 258.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#42679E
RGB	rgb(66, 103, 158)
HSL	hsl(216, 41%, 44%)
HSV	hsv(216, 58%, 62%)
CMYK	cmyk(58.2%, 34.8%, 0%, 38%)
CIE-LAB	lab(43.25, 3.97, -33.81)
CIE-LCH	lch(43.25, 34.05, 276.70°)
OKLab	oklab(51.18% -0.0201 -0.0955)
OKLCH	oklch(51.18% 0.098 258.1)
XYZ	xyz(13.2664, 13.3263, 34.2142)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42679E #9E7942

analogous

#42959E #42679E #4B429E

triadic

#42679E #9E4267 #679E42

tetradic

#42679E #9E4295 #9E7942 #429E4B

square

#42679E #9E4295 #9E7942 #429E4B

split-complementary

#42679E #9E4B42 #959E42

monochromatic

#1E2F48 #304B73 #42679E #6086BD #8CA7CF

Accessibility & contrast

On white

5.73

#42679E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#42679E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42679E

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42679E	#FFFFFF	#000000	##FFFFFF
##42679E	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506BA0

Deuteranopia (green-blind)

#45629D

Tritanopia (blue-blind)

#00737B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #42679e;
/* rgb */ color: rgb(66, 103, 158);
/* oklch */ color: oklch(51.2% 0.098 258.1);

Tailwind

colors: {
  custom: {
    50: '#7e92bb',
    500: '#42679e',
    950: '#000000',
  },
}

SCSS

$custom: #42679e;
$custom-light: #7e92bb;
$custom-dark: #000000;

JSON

{
  "hex": "#42679e",
  "rgb": {
    "r": 66,
    "g": 103,
    "b": 158
  },
  "hsl": {
    "h": 215.87,
    "s": 41.071,
    "l": 43.922
  },
  "oklch": {
    "l": 0.51175,
    "c": 0.09764,
    "h": 258.1
  },
  "luminance": 0.13327
}

Semantic roles & 50–950 ramp

primary

#42679E

secondary

#BAA382

accent

#A057D1

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #42679E

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

Preview Lab → · Contrast checker → · Palette generator →