#33407D#33407D

#33407D is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.4% C 0.104 H 271.8°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#33407D
RGB	rgb(51, 64, 125)
HSL	hsl(229, 42%, 35%)
HSV	hsv(229, 59%, 49%)
CMYK	cmyk(59.2%, 48.8%, 0%, 51%)
CIE-LAB	lab(29.03, 14.46, -36.36)
CIE-LCH	lch(29.03, 39.13, 291.69°)
OKLab	oklab(39.36% 0.0033 -0.1037)
OKLCH	oklch(39.36% 0.104 271.8)
XYZ	xyz(6.8991, 5.8508, 20.1638)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33407D #7D7033

analogous

#33657D #33407D #4B337D

triadic

#33407D #7D3340 #407D33

tetradic

#33407D #7D3365 #7D7033 #337D4B

square

#33407D #7D3365 #7D7033 #337D4B

split-complementary

#33407D #7D4B33 #657D33

monochromatic

#101326 #212A52 #33407D #4556A8 #6978C2

Accessibility & contrast

On white

9.68

#33407D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#33407D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33407D

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33407D	#FFFFFF	#000000	##FFFFFF
##33407D	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#23487F

Deuteranopia (green-blind)

#19417C

Tritanopia (blue-blind)

#034E58

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #33407d;
/* rgb */ color: rgb(51, 64, 125);
/* oklch */ color: oklch(39.4% 0.104 271.8);

Tailwind

colors: {
  custom: {
    50: '#7174a3',
    500: '#33407d',
    950: '#000000',
  },
}

SCSS

$custom: #33407d;
$custom-light: #7174a3;
$custom-dark: #000000;

JSON

{
  "hex": "#33407d",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 125
  },
  "hsl": {
    "h": 229.459,
    "s": 42.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3936,
    "c": 0.10376,
    "h": 271.8
  },
  "luminance": 0.05851
}

Semantic roles & 50–950 ramp

primary

#33407D

secondary

#AA9D62

accent

#BC56D2

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #33407D

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

Preview Lab → · Contrast checker → · Palette generator →