#42689F#42689F

#42689F is a mid, moderate blue. Relative luminance 0.136; OKLCH L 51.5% C 0.098 H 257.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#42689F
RGB	rgb(66, 104, 159)
HSL	hsl(215, 41%, 44%)
HSV	hsv(215, 58%, 62%)
CMYK	cmyk(58.5%, 34.6%, 0%, 37.6%)
CIE-LAB	lab(43.60, 3.69, -33.86)
CIE-LCH	lch(43.60, 34.06, 276.22°)
OKLab	oklab(51.46% -0.021 -0.0957)
OKLCH	oklch(51.46% 0.098 257.6)
XYZ	xyz(13.4529, 13.5610, 34.7028)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42689F #9F7942

analogous

#42979F #42689F #4B429F

triadic

#42689F #9F4268 #689F42

tetradic

#42689F #9F4297 #9F7942 #429F4B

square

#42689F #9F4297 #9F7942 #429F4B

split-complementary

#42689F #9F4B42 #979F42

monochromatic

#1E2F49 #304C74 #42689F #6187BD #8CA8CF

Accessibility & contrast

On white

5.66

#42689F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#42689F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42689F

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42689F	#FFFFFF	#000000	##FFFFFF
##42689F	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516CA1

Deuteranopia (green-blind)

#45639E

Tritanopia (blue-blind)

#00747C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #42689f;
/* rgb */ color: rgb(66, 104, 159);
/* oklch */ color: oklch(51.5% 0.098 257.6);

Tailwind

colors: {
  custom: {
    50: '#7e92bb',
    500: '#42689f',
    950: '#000000',
  },
}

SCSS

$custom: #42689f;
$custom-light: #7e92bb;
$custom-dark: #000000;

JSON

{
  "hex": "#42689f",
  "rgb": {
    "r": 66,
    "g": 104,
    "b": 159
  },
  "hsl": {
    "h": 215.484,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51462,
    "c": 0.09796,
    "h": 257.6
  },
  "luminance": 0.13562
}

Semantic roles & 50–950 ramp

primary

#42689F

secondary

#BAA482

accent

#9F57D1

background

#F8F8FB

surface

#EFF0F6

border

#CACBD0

text

#0A0D12

muted

#7C7D81

Preview Lab

Preview with #42689F

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

Preview Lab → · Contrast checker → · Palette generator →