#334C8B#334C8B

#334C8B is a dark, moderate blue. Relative luminance 0.077; OKLCH L 43.0% C 0.109 H 265.7°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#334C8B
RGB	rgb(51, 76, 139)
HSL	hsl(223, 46%, 37%)
HSV	hsv(223, 63%, 55%)
CMYK	cmyk(63.3%, 45.3%, 0%, 45.5%)
CIE-LAB	lab(33.43, 11.49, -38.00)
CIE-LCH	lch(33.43, 39.70, 286.83°)
OKLab	oklab(43.01% -0.0081 -0.1084)
OKLCH	oklch(43.01% 0.109 265.7)
XYZ	xyz(8.6083, 7.7360, 25.4606)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#334C8B #8B7233

analogous

#33788B #334C8B #46338B

triadic

#334C8B #8B334C #4C8B33

tetradic

#334C8B #8B3378 #8B7233 #338B46

square

#334C8B #8B3378 #8B7233 #338B46

split-complementary

#334C8B #8B4633 #788B33

monochromatic

#121B31 #23345E #334C8B #4364B8 #6E88CA

Accessibility & contrast

On white

8.24

#334C8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#334C8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #334C8B

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##334C8B	#FFFFFF	#000000	##FFFFFF
##334C8B	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F538D

Deuteranopia (green-blind)

#214B8A

Tritanopia (blue-blind)

#005A64

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #334c8b;
/* rgb */ color: rgb(51, 76, 139);
/* oklch */ color: oklch(43.0% 0.109 265.7);

Tailwind

colors: {
  custom: {
    50: '#737dad',
    500: '#334c8b',
    950: '#000000',
  },
}

SCSS

$custom: #334c8b;
$custom-light: #737dad;
$custom-dark: #000000;

JSON

{
  "hex": "#334c8b",
  "rgb": {
    "r": 51,
    "g": 76,
    "b": 139
  },
  "hsl": {
    "h": 222.955,
    "s": 46.316,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43007,
    "c": 0.10867,
    "h": 265.7
  },
  "luminance": 0.07737
}

Semantic roles & 50–950 ramp

primary

#334C8B

secondary

#B29D68

accent

#B052D6

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #334C8B

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

Preview Lab → · Contrast checker → · Palette generator →