#42597A#42597A

#42597A is a mid, moderate blue. Relative luminance 0.097; OKLCH L 46.0% C 0.061 H 257.4°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#42597A
RGB	rgb(66, 89, 122)
HSL	hsl(215, 30%, 37%)
HSV	hsv(215, 46%, 48%)
CMYK	cmyk(45.9%, 27%, 0%, 52.2%)
CIE-LAB	lab(37.31, 0.86, -21.37)
CIE-LCH	lch(37.31, 21.39, 272.31°)
OKLab	oklab(45.96% -0.0133 -0.0596)
OKLCH	oklch(45.96% 0.061 257.4)
XYZ	xyz(9.3308, 9.7076, 19.7907)
Luminance	0.0971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42597A #7A6342

analogous

#42757A #42597A #47427A

triadic

#42597A #7A4259 #597A42

tetradic

#42597A #7A4275 #7A6342 #427A47

square

#42597A #7A4275 #7A6342 #427A47

split-complementary

#42597A #7A4742 #757A42

monochromatic

#171F2B #2D3C52 #42597A #5776A2 #7D96B9

Accessibility & contrast

On white

7.14

#42597A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#42597A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42597A

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42597A	#FFFFFF	#000000	##FFFFFF
##42597A	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5B7B

Deuteranopia (green-blind)

#465579

Tritanopia (blue-blind)

#2D6064

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #42597a;
/* rgb */ color: rgb(66, 89, 122);
/* oklch */ color: oklch(46.0% 0.061 257.4);

Tailwind

colors: {
  custom: {
    50: '#7987a0',
    500: '#42597a',
    950: '#000000',
  },
}

SCSS

$custom: #42597a;
$custom-light: #7987a0;
$custom-dark: #000000;

JSON

{
  "hex": "#42597a",
  "rgb": {
    "r": 66,
    "g": 89,
    "b": 122
  },
  "hsl": {
    "h": 215.357,
    "s": 29.787,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45964,
    "c": 0.06108,
    "h": 257.4
  },
  "luminance": 0.09708
}

Semantic roles & 50–950 ramp

primary

#42597A

secondary

#A49074

accent

#9D62C6

background

#F7F8F9

surface

#EEEFF2

border

#C9CACC

text

#090B0E

muted

#7B7C7E

Preview Lab

Preview with #42597A

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

Preview Lab → · Contrast checker → · Palette generator →