#33517D#33517D

#33517D is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.3% C 0.082 H 257.9°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#33517D
RGB	rgb(51, 81, 125)
HSL	hsl(216, 42%, 35%)
HSV	hsv(216, 59%, 49%)
CMYK	cmyk(59.2%, 35.2%, 0%, 51%)
CIE-LAB	lab(34.13, 3.14, -28.27)
CIE-LCH	lch(34.13, 28.44, 276.33°)
OKLab	oklab(43.29% -0.0172 -0.0798)
OKLCH	oklch(43.29% 0.082 257.9)
XYZ	xyz(8.0080, 8.0687, 20.5335)
Luminance	0.0807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33517D #7D5F33

analogous

#33767D #33517D #3A337D

triadic

#33517D #7D3351 #517D33

tetradic

#33517D #7D3376 #7D5F33 #337D3A

square

#33517D #7D3376 #7D5F33 #337D3A

split-complementary

#33517D #7D3A33 #767D33

monochromatic

#101926 #213552 #33517D #456DA8 #698DC2

Accessibility & contrast

On white

8.03

#33517D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#33517D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33517D

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33517D	#FFFFFF	#000000	##FFFFFF
##33517D	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F547F

Deuteranopia (green-blind)

#354D7C

Tritanopia (blue-blind)

#005B61

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #33517d;
/* rgb */ color: rgb(51, 81, 125);
/* oklch */ color: oklch(43.3% 0.082 257.9);

Tailwind

colors: {
  custom: {
    50: '#7181a3',
    500: '#33517d',
    950: '#000000',
  },
}

SCSS

$custom: #33517d;
$custom-light: #7181a3;
$custom-dark: #000000;

JSON

{
  "hex": "#33517d",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 125
  },
  "hsl": {
    "h": 215.676,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.43286,
    "c": 0.08168,
    "h": 257.9
  },
  "luminance": 0.08069
}

Semantic roles & 50–950 ramp

primary

#33517D

secondary

#AA8D62

accent

#A056D2

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #33517D

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

Preview Lab → · Contrast checker → · Palette generator →