#334C8F#334C8F

#334C8F is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.3% C 0.115 H 266.3°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#334C8F
RGB	rgb(51, 76, 143)
HSL	hsl(224, 47%, 38%)
HSV	hsv(224, 64%, 56%)
CMYK	cmyk(64.3%, 46.9%, 0%, 43.9%)
CIE-LAB	lab(33.68, 12.96, -40.04)
CIE-LCH	lch(33.68, 42.09, 287.94°)
OKLab	oklab(43.28% -0.0074 -0.1144)
OKLCH	oklch(43.28% 0.115 266.3)
XYZ	xyz(8.9059, 7.8551, 27.0281)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334C8F #8F7633

analogous

#337A8F #334C8F #48338F

triadic

#334C8F #8F334C #4C8F33

tetradic

#334C8F #8F337A #8F7633 #338F48

square

#334C8F #8F337A #8F7633 #338F48

split-complementary

#334C8F #8F4833 #7A8F33

monochromatic

#131C35 #233462 #334C8F #4364BC #7089CC

Accessibility & contrast

On white

8.17

#334C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#334C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334C8F

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334C8F	#FFFFFF	#000000	##FFFFFF
##334C8F	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5492

Deuteranopia (green-blind)

#1C4B8E

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #334c8f;
/* rgb */ color: rgb(51, 76, 143);
/* oklch */ color: oklch(43.3% 0.115 266.3);

Tailwind

colors: {
  custom: {
    50: '#747db0',
    500: '#334c8f',
    950: '#000000',
  },
}

SCSS

$custom: #334c8f;
$custom-light: #747db0;
$custom-dark: #000000;

JSON

{
  "hex": "#334c8f",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 143
  },
  "hsl": {
    "h": 223.696,
    "s": 47.423,
    "l": 38.039
  },
  "oklch": {
    "l": 0.43282,
    "c": 0.11462,
    "h": 266.3
  },
  "luminance": 0.07856
}

Semantic roles & 50–950 ramp

primary

#334C8F

secondary

#B4A06A

accent

#B351D7

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334C8F

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

Preview Lab → · Contrast checker → · Palette generator →