#333A71#333A71

#333A71 is a dark, moderate blue. Relative luminance 0.049; OKLCH L 37.2% C 0.094 H 275.4°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#333A71
RGB	rgb(51, 58, 113)
HSL	hsl(233, 38%, 32%)
HSV	hsv(233, 55%, 44%)
CMYK	cmyk(54.9%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(26.51, 14.27, -32.82)
CIE-LCH	lch(26.51, 35.78, 293.50°)
OKLab	oklab(37.19% 0.0089 -0.0934)
OKLCH	oklch(37.19% 0.094 275.4)
XYZ	xyz(5.8580, 4.9218, 16.2609)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333A71 #716A33

analogous

#335971 #333A71 #4B3371

triadic

#333A71 #71333A #3A7133

tetradic

#333A71 #713359 #716A33 #33714B

square

#333A71 #713359 #716A33 #33714B

split-complementary

#333A71 #714B33 #597133

monochromatic

#0D0F1D #202447 #333A71 #46509B #656EB9

Accessibility & contrast

On white

10.58

#333A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#333A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333A71

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333A71	#FFFFFF	#000000	##FFFFFF
##333A71	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224173

Deuteranopia (green-blind)

#1B3C70

Tritanopia (blue-blind)

#174650

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #333a71;
/* rgb */ color: rgb(51, 58, 113);
/* oklch */ color: oklch(37.2% 0.094 275.4);

Tailwind

colors: {
  custom: {
    50: '#70709a',
    500: '#333a71',
    950: '#000000',
  },
}

SCSS

$custom: #333a71;
$custom-light: #70709a;
$custom-dark: #000000;

JSON

{
  "hex": "#333a71",
  "rgb": {
    "r": 51,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 233.226,
    "s": 37.805,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3719,
    "c": 0.09379,
    "h": 275.4
  },
  "luminance": 0.04922
}

Semantic roles & 50–950 ramp

primary

#333A71

secondary

#A29A5E

accent

#C15ACE

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#08070E

muted

#7B7A7E

Preview Lab

Preview with #333A71

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

Preview Lab → · Contrast checker → · Palette generator →