#42669B#42669B

#42669B is a mid, moderate blue. Relative luminance 0.130; OKLCH L 50.8% C 0.095 H 257.9°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#42669B
RGB	rgb(66, 102, 155)
HSL	hsl(216, 40%, 43%)
HSV	hsv(216, 57%, 61%)
CMYK	cmyk(57.4%, 34.2%, 0%, 39.2%)
CIE-LAB	lab(42.80, 3.57, -32.74)
CIE-LCH	lch(42.80, 32.93, 276.23°)
OKLab	oklab(50.78% -0.0198 -0.0924)
OKLCH	oklch(50.78% 0.095 257.9)
XYZ	xyz(12.9125, 13.0265, 32.8379)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42669B #9B7742

analogous

#42929B #42669B #4A429B

triadic

#42669B #9B4266 #669B42

tetradic

#42669B #9B4292 #9B7742 #429B4A

square

#42669B #9B4292 #9B7742 #429B4A

split-complementary

#42669B #9B4A42 #929B42

monochromatic

#1D2E45 #304A70 #42669B #5F84BB #8AA5CD

Accessibility & contrast

On white

5.82

#42669B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#42669B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42669B

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42669B	#FFFFFF	#000000	##FFFFFF
##42669B	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#506A9D

Deuteranopia (green-blind)

#45619A

Tritanopia (blue-blind)

#007279

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #42669b;
/* rgb */ color: rgb(66, 102, 155);
/* oklch */ color: oklch(50.8% 0.095 257.9);

Tailwind

colors: {
  custom: {
    50: '#7d91b9',
    500: '#42669b',
    950: '#000000',
  },
}

SCSS

$custom: #42669b;
$custom-light: #7d91b9;
$custom-dark: #000000;

JSON

{
  "hex": "#42669b",
  "rgb": {
    "r": 66,
    "g": 102,
    "b": 155
  },
  "hsl": {
    "h": 215.73,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50776,
    "c": 0.09451,
    "h": 257.9
  },
  "luminance": 0.13028
}

Semantic roles & 50–950 ramp

primary

#42669B

secondary

#B8A281

accent

#9F58D0

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #42669B

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

Preview Lab → · Contrast checker → · Palette generator →