#334CB0#334CB0

#334CB0 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.8% C 0.162 H 268.6°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#334CB0
RGB	rgb(51, 76, 176)
HSL	hsl(228, 55%, 45%)
HSV	hsv(228, 71%, 69%)
CMYK	cmyk(71%, 56.8%, 0%, 31%)
CIE-LAB	lab(36.00, 25.19, -56.15)
CIE-LCH	lch(36.00, 61.54, 294.17°)
OKLab	oklab(45.78% -0.004 -0.1618)
OKLCH	oklch(45.78% 0.162 268.6)
XYZ	xyz(11.7835, 9.0061, 42.1832)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CB0 #B09733

analogous

#338BB0 #334CB0 #5933B0

triadic

#334CB0 #B0334C #4CB033

tetradic

#334CB0 #B0338B #B09733 #33B059

square

#334CB0 #B0338B #B09733 #33B059

split-complementary

#334CB0 #B05933 #8BB033

monochromatic

#182351 #253881 #334CB0 #536BCD #8294DB

Accessibility & contrast

On white

7.50

#334CB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#334CB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CB0

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CB0	#FFFFFF	#000000	##FFFFFF
##334CB0	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BB3

Deuteranopia (green-blind)

#004FAE

Tritanopia (blue-blind)

#006476

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #334cb0;
/* rgb */ color: rgb(51, 76, 176);
/* oklch */ color: oklch(45.8% 0.162 268.6);

Tailwind

colors: {
  custom: {
    50: '#7b7dc8',
    500: '#334cb0',
    950: '#000000',
  },
}

SCSS

$custom: #334cb0;
$custom-light: #7b7dc8;
$custom-dark: #000000;

JSON

{
  "hex": "#334cb0",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 176
  },
  "hsl": {
    "h": 228,
    "s": 55.066,
    "l": 44.51
  },
  "oklch": {
    "l": 0.45775,
    "c": 0.16182,
    "h": 268.6
  },
  "luminance": 0.09007
}

Semantic roles & 50–950 ramp

primary

#334CB0

secondary

#C4B67B

accent

#C149DE

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #334CB0

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

Preview Lab → · Contrast checker → · Palette generator →