#334E9B#334E9B

#334E9B is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.130 H 266.6°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#334E9B
RGB	rgb(51, 78, 155)
HSL	hsl(224, 50%, 40%)
HSV	hsv(224, 67%, 61%)
CMYK	cmyk(67.1%, 49.7%, 0%, 39.2%)
CIE-LAB	lab(35.04, 16.08, -45.14)
CIE-LCH	lch(35.04, 47.92, 289.60°)
OKLab	oklab(44.57% -0.0076 -0.1293)
OKLCH	oklch(44.57% 0.13 266.6)
XYZ	xyz(10.0040, 8.5182, 32.1210)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334E9B #9B8033

analogous

#33829B #334E9B #4C339B

triadic

#334E9B #9B334E #4E9B33

tetradic

#334E9B #9B3382 #9B8033 #339B4C

square

#334E9B #9B3382 #9B8033 #339B4C

split-complementary

#334E9B #9B4C33 #829B33

monochromatic

#15203F #24376D #334E9B #4868C3 #768ED2

Accessibility & contrast

On white

7.77

#334E9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#334E9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334E9B

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334E9B	#FFFFFF	#000000	##FFFFFF
##334E9B	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)

#25579E

Deuteranopia (green-blind)

#0A4E99

Tritanopia (blue-blind)

#00606D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #334e9b;
/* rgb */ color: rgb(51, 78, 155);
/* oklch */ color: oklch(44.6% 0.130 266.6);

Tailwind

colors: {
  custom: {
    50: '#767fb9',
    500: '#334e9b',
    950: '#000000',
  },
}

SCSS

$custom: #334e9b;
$custom-light: #767fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#334e9b",
  "rgb": {
    "r": 51,
    "g": 78,
    "b": 155
  },
  "hsl": {
    "h": 224.423,
    "s": 50.485,
    "l": 40.392
  },
  "oklch": {
    "l": 0.44574,
    "c": 0.12957,
    "h": 266.6
  },
  "luminance": 0.08519
}

Semantic roles & 50–950 ramp

primary

#334E9B

secondary

#BAA76F

accent

#B64EDA

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #334E9B

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

Preview Lab → · Contrast checker → · Palette generator →