#334F7C#334F7C

#334F7C is a dark, moderate blue. Relative luminance 0.078; OKLCH L 42.7% C 0.083 H 259.5°. Best body text is #FFFFFF at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#334F7C
RGB	rgb(51, 79, 124)
HSL	hsl(217, 42%, 34%)
HSV	hsv(217, 59%, 49%)
CMYK	cmyk(58.9%, 36.3%, 0%, 51.4%)
CIE-LAB	lab(33.46, 4.08, -28.70)
CIE-LCH	lch(33.46, 28.99, 278.10°)
OKLab	oklab(42.75% -0.015 -0.0811)
OKLCH	oklch(42.75% 0.083 259.5)
XYZ	xyz(7.7981, 7.7504, 20.1499)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334F7C #7C6033

analogous

#33747C #334F7C #3C337C

triadic

#334F7C #7C334F #4F7C33

tetradic

#334F7C #7C3374 #7C6033 #337C3C

square

#334F7C #7C3374 #7C6033 #337C3C

split-complementary

#334F7C #7C3C33 #747C33

monochromatic

#0F1825 #213351 #334F7C #456BA7 #688AC1

Accessibility & contrast

On white

8.23

#334F7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#334F7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334F7C

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334F7C	#FFFFFF	#000000	##FFFFFF
##334F7C	1.00	8.23	2.55	8.23
#FFFFFF	8.23	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D527E

Deuteranopia (green-blind)

#334C7B

Tritanopia (blue-blind)

#00595F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #334f7c;
/* rgb */ color: rgb(51, 79, 124);
/* oklch */ color: oklch(42.7% 0.083 259.5);

Tailwind

colors: {
  custom: {
    50: '#7180a2',
    500: '#334f7c',
    950: '#000000',
  },
}

SCSS

$custom: #334f7c;
$custom-light: #7180a2;
$custom-dark: #000000;

JSON

{
  "hex": "#334f7c",
  "rgb": {
    "r": 51,
    "g": 79,
    "b": 124
  },
  "hsl": {
    "h": 216.986,
    "s": 41.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.42748,
    "c": 0.08251,
    "h": 259.5
  },
  "luminance": 0.07751
}

Semantic roles & 50–950 ramp

primary

#334F7C

secondary

#A98E62

accent

#A256D2

background

#F7F7FA

surface

#EDEEF3

border

#C8C9CD

text

#080A0F

muted

#7B7C7F

Preview Lab

Preview with #334F7C

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

Preview Lab → · Contrast checker → · Palette generator →