#334EA5#334EA5

#334EA5 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.3% C 0.144 H 267.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#334EA5
RGB	rgb(51, 78, 165)
HSL	hsl(226, 53%, 42%)
HSV	hsv(226, 69%, 65%)
CMYK	cmyk(69.1%, 52.7%, 0%, 35.3%)
CIE-LAB	lab(35.73, 19.79, -50.03)
CIE-LCH	lch(35.73, 53.81, 291.58°)
OKLab	oklab(45.32% -0.0065 -0.1437)
OKLCH	oklch(45.32% 0.144 267.4)
XYZ	xyz(10.8788, 8.8681, 36.7284)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EA5 #A58A33

analogous

#3387A5 #334EA5 #5133A5

triadic

#334EA5 #A5334E #4EA533

tetradic

#334EA5 #A53387 #A58A33 #33A551

square

#334EA5 #A53387 #A58A33 #33A551

split-complementary

#334EA5 #A55133 #87A533

monochromatic

#162248 #253876 #334EA5 #4D6AC8 #7C91D6

Accessibility & contrast

On white

7.57

#334EA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#334EA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EA5

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EA5	#FFFFFF	#000000	##FFFFFF
##334EA5	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1659A8

Deuteranopia (green-blind)

#004FA3

Tritanopia (blue-blind)

#006372

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #334ea5;
/* rgb */ color: rgb(51, 78, 165);
/* oklch */ color: oklch(45.3% 0.144 267.4);

Tailwind

colors: {
  custom: {
    50: '#787fc0',
    500: '#334ea5',
    950: '#000000',
  },
}

SCSS

$custom: #334ea5;
$custom-light: #787fc0;
$custom-dark: #000000;

JSON

{
  "hex": "#334ea5",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 165
  },
  "hsl": {
    "h": 225.789,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.45318,
    "c": 0.1439,
    "h": 267.4
  },
  "luminance": 0.08869
}

Semantic roles & 50–950 ramp

primary

#334EA5

secondary

#BFAE75

accent

#BA4CDC

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #334EA5

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

Preview Lab → · Contrast checker → · Palette generator →