#334B8D#334B8D

#334B8D is a dark, moderate blue. Relative luminance 0.077; OKLCH L 42.9% C 0.113 H 266.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#334B8D
RGB	rgb(51, 75, 141)
HSL	hsl(224, 47%, 38%)
HSV	hsv(224, 64%, 55%)
CMYK	cmyk(63.8%, 46.8%, 0%, 44.7%)
CIE-LAB	lab(33.26, 12.90, -39.49)
CIE-LCH	lch(33.26, 41.54, 288.09°)
OKLab	oklab(42.92% -0.0066 -0.1128)
OKLCH	oklch(42.92% 0.113 266.6)
XYZ	xyz(8.6874, 7.6583, 26.2145)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334B8D #8D7533

analogous

#33788D #334B8D #48338D

triadic

#334B8D #8D334B #4B8D33

tetradic

#334B8D #8D3378 #8D7533 #338D48

square

#334B8D #8D3378 #8D7533 #338D48

split-complementary

#334B8D #8D4833 #788D33

monochromatic

#121B33 #233360 #334B8D #4363BA #6F88CB

Accessibility & contrast

On white

8.29

#334B8D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#334B8D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334B8D

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334B8D	#FFFFFF	#000000	##FFFFFF
##334B8D	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B538F

Deuteranopia (green-blind)

#1D4A8C

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #334b8d;
/* rgb */ color: rgb(51, 75, 141);
/* oklch */ color: oklch(42.9% 0.113 266.6);

Tailwind

colors: {
  custom: {
    50: '#747caf',
    500: '#334b8d',
    950: '#000000',
  },
}

SCSS

$custom: #334b8d;
$custom-light: #747caf;
$custom-dark: #000000;

JSON

{
  "hex": "#334b8d",
  "rgb": {
    "r": 51,
    "g": 75,
    "b": 141
  },
  "hsl": {
    "h": 224,
    "s": 46.875,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42921,
    "c": 0.11296,
    "h": 266.6
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#334B8D

secondary

#B39F69

accent

#B351D7

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334B8D

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

Preview Lab → · Contrast checker → · Palette generator →