#334AA5#334AA5

#334AA5 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.5% C 0.149 H 268.9°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#334AA5
RGB	rgb(51, 74, 165)
HSL	hsl(228, 53%, 42%)
HSV	hsv(228, 69%, 65%)
CMYK	cmyk(69.1%, 55.2%, 0%, 35.3%)
CIE-LAB	lab(34.63, 22.44, -51.81)
CIE-LCH	lch(34.63, 56.46, 293.42°)
OKLab	oklab(44.49% -0.0029 -0.149)
OKLCH	oklch(44.49% 0.149 268.9)
XYZ	xyz(10.6032, 8.3170, 36.6366)
Luminance	0.0832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334AA5 #A58E33

analogous

#3383A5 #334AA5 #5533A5

triadic

#334AA5 #A5334A #4AA533

tetradic

#334AA5 #A53383 #A58E33 #33A555

square

#334AA5 #A53383 #A58E33 #33A555

split-complementary

#334AA5 #A55533 #83A533

monochromatic

#162048 #253576 #334AA5 #4D66C8 #7C8ED6

Accessibility & contrast

On white

7.88

#334AA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#334AA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334AA5

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334AA5	#FFFFFF	#000000	##FFFFFF
##334AA5	1.00	7.88	2.66	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057A8

Deuteranopia (green-blind)

#004CA3

Tritanopia (blue-blind)

#006070

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #334aa5;
/* rgb */ color: rgb(51, 74, 165);
/* oklch */ color: oklch(44.5% 0.149 268.9);

Tailwind

colors: {
  custom: {
    50: '#797cc0',
    500: '#334aa5',
    950: '#000000',
  },
}

SCSS

$custom: #334aa5;
$custom-light: #797cc0;
$custom-dark: #000000;

JSON

{
  "hex": "#334aa5",
  "rgb": {
    "r": 51,
    "g": 74,
    "b": 165
  },
  "hsl": {
    "h": 227.895,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.44492,
    "c": 0.14905,
    "h": 268.9
  },
  "luminance": 0.08318
}

Semantic roles & 50–950 ramp

primary

#334AA5

secondary

#BFB075

accent

#BF4CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #334AA5

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

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