#34399B#34399B

#34399B is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.4% C 0.157 H 274.7°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#34399B
RGB	rgb(52, 57, 155)
HSL	hsl(237, 50%, 41%)
HSV	hsv(237, 66%, 61%)
CMYK	cmyk(66.5%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(29.47, 30.16, -54.17)
CIE-LCH	lch(29.47, 62.00, 299.11°)
OKLab	oklab(40.42% 0.0128 -0.1561)
OKLCH	oklch(40.42% 0.157 274.7)
XYZ	xyz(8.7937, 6.0221, 31.7030)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#34399B #9B9634

analogous

#346C9B #34399B #62349B

triadic

#34399B #9B3439 #399B34

tetradic

#34399B #9B346C #9B9634 #349B62

square

#34399B #9B346C #9B9634 #349B62

split-complementary

#34399B #9B6234 #6C9B34

monochromatic

#15173F #25286D #34399B #4A50C2 #787CD2

Accessibility & contrast

On white

9.53

#34399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#34399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #34399B

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##34399B	#FFFFFF	#000000	##FFFFFF
##34399B	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#004199

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #34399b;
/* rgb */ color: rgb(52, 57, 155);
/* oklch */ color: oklch(40.4% 0.157 274.7);

Tailwind

colors: {
  custom: {
    50: '#786fb9',
    500: '#34399b',
    950: '#000000',
  },
}

SCSS

$custom: #34399b;
$custom-light: #786fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#34399b",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 237.087,
    "s": 49.758,
    "l": 40.588
  },
  "oklch": {
    "l": 0.40416,
    "c": 0.15664,
    "h": 274.7
  },
  "luminance": 0.06023
}

Semantic roles & 50–950 ramp

primary

#34399B

secondary

#BAB771

accent

#D34FD9

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #34399B

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

Preview Lab → · Contrast checker → · Palette generator →