#334CA3#334CA3

#334CA3 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.7% C 0.144 H 268.1°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#334CA3
RGB	rgb(51, 76, 163)
HSL	hsl(227, 52%, 42%)
HSV	hsv(227, 69%, 64%)
CMYK	cmyk(68.7%, 53.4%, 0%, 36.1%)
CIE-LAB	lab(35.04, 20.38, -49.96)
CIE-LCH	lch(35.04, 53.95, 292.19°)
OKLab	oklab(44.75% -0.0049 -0.1435)
OKLCH	oklch(44.75% 0.144 268.1)
XYZ	xyz(10.5583, 8.5160, 35.7306)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334CA3 #A38A33

analogous

#3384A3 #334CA3 #5233A3

triadic

#334CA3 #A3334C #4CA333

tetradic

#334CA3 #A33384 #A38A33 #33A352

square

#334CA3 #A33384 #A38A33 #33A352

split-complementary

#334CA3 #A35233 #84A333

monochromatic

#162146 #243674 #334CA3 #4C68C7 #7B8FD6

Accessibility & contrast

On white

7.77

#334CA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#334CA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334CA3

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334CA3	#FFFFFF	#000000	##FFFFFF
##334CA3	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1258A6

Deuteranopia (green-blind)

#004EA1

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #334ca3;
/* rgb */ color: rgb(51, 76, 163);
/* oklch */ color: oklch(44.7% 0.144 268.1);

Tailwind

colors: {
  custom: {
    50: '#787dbf',
    500: '#334ca3',
    950: '#000000',
  },
}

SCSS

$custom: #334ca3;
$custom-light: #787dbf;
$custom-dark: #000000;

JSON

{
  "hex": "#334ca3",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 163
  },
  "hsl": {
    "h": 226.607,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.44748,
    "c": 0.14363,
    "h": 268.1
  },
  "luminance": 0.08517
}

Semantic roles & 50–950 ramp

primary

#334CA3

secondary

#BEAE73

accent

#BC4CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334CA3

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

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