#334CBB#334CBB

#334CBB is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.7% C 0.177 H 268.8°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#334CBB
RGB	rgb(51, 76, 187)
HSL	hsl(229, 57%, 47%)
HSV	hsv(229, 73%, 73%)
CMYK	cmyk(72.7%, 59.4%, 0%, 26.7%)
CIE-LAB	lab(36.85, 29.24, -61.25)
CIE-LCH	lch(36.85, 67.87, 295.52°)
OKLab	oklab(46.69% -0.0038 -0.1767)
OKLCH	oklch(46.69% 0.177 268.8)
XYZ	xyz(12.9162, 9.4592, 48.1492)
Luminance	0.0946 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CBB #BBA233

analogous

#3390BB #334CBB #5E33BB

triadic

#334CBB #BB334C #4CBB33

tetradic

#334CBB #BB3390 #BBA233 #33BB5E

square

#334CBB #BB3390 #BBA233 #33BB5E

split-complementary

#334CBB #BB5E33 #90BB33

monochromatic

#19255B #26388B #334CBB #5970D2 #8999DF

Accessibility & contrast

On white

7.26

#334CBB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#334CBB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CBB

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CBB	#FFFFFF	#000000	##FFFFFF
##334CBB	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBF

Deuteranopia (green-blind)

#0051B9

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #334cbb;
/* rgb */ color: rgb(51, 76, 187);
/* oklch */ color: oklch(46.7% 0.177 268.8);

Tailwind

colors: {
  custom: {
    50: '#7d7dd0',
    500: '#334cbb',
    950: '#000000',
  },
}

SCSS

$custom: #334cbb;
$custom-light: #7d7dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#334cbb",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 187
  },
  "hsl": {
    "h": 228.971,
    "s": 57.143,
    "l": 46.667
  },
  "oklch": {
    "l": 0.46685,
    "c": 0.17678,
    "h": 268.8
  },
  "luminance": 0.09461
}

Semantic roles & 50–950 ramp

primary

#334CBB

secondary

#C9BC81

accent

#C447E0

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #334CBB

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

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