#334EA8#334EA8

#334EA8 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.5% C 0.148 H 267.6°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#334EA8
RGB	rgb(51, 78, 168)
HSL	hsl(226, 53%, 43%)
HSV	hsv(226, 70%, 66%)
CMYK	cmyk(69.6%, 53.6%, 0%, 34.1%)
CIE-LAB	lab(35.94, 20.91, -51.48)
CIE-LCH	lch(35.94, 55.56, 292.11°)
OKLab	oklab(45.55% -0.0062 -0.148)
OKLCH	oklch(45.55% 0.148 267.6)
XYZ	xyz(11.1551, 8.9786, 38.1834)
Luminance	0.0898 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334EA8 #A88D33

analogous

#3388A8 #334EA8 #5233A8

triadic

#334EA8 #A8334E #4EA833

tetradic

#334EA8 #A83388 #A88D33 #33A852

square

#334EA8 #A83388 #A88D33 #33A852

split-complementary

#334EA8 #A85233 #88A833

monochromatic

#16224A #253879 #334EA8 #4F6BC9 #7E92D8

Accessibility & contrast

On white

7.51

#334EA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#334EA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334EA8

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334EA8	#FFFFFF	#000000	##FFFFFF
##334EA8	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#105AAB

Deuteranopia (green-blind)

#004FA6

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #334ea8;
/* rgb */ color: rgb(51, 78, 168);
/* oklch */ color: oklch(45.5% 0.148 267.6);

Tailwind

colors: {
  custom: {
    50: '#797fc2',
    500: '#334ea8',
    950: '#000000',
  },
}

SCSS

$custom: #334ea8;
$custom-light: #797fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#334ea8",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 168
  },
  "hsl": {
    "h": 226.154,
    "s": 53.425,
    "l": 42.941
  },
  "oklch": {
    "l": 0.45548,
    "c": 0.14813,
    "h": 267.6
  },
  "luminance": 0.0898
}

Semantic roles & 50–950 ramp

primary

#334EA8

secondary

#C1AF76

accent

#BB4BDD

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #334EA8

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

Preview Lab → · Contrast checker → · Palette generator →