#2D399B#2D399B

#2D399B is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.0% C 0.159 H 271.7°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#2D399B
RGB	rgb(45, 57, 155)
HSL	hsl(233, 55%, 39%)
HSV	hsv(233, 71%, 61%)
CMYK	cmyk(71%, 63.2%, 0%, 39.2%)
CIE-LAB	lab(29.03, 29.14, -54.90)
CIE-LCH	lch(29.03, 62.16, 297.96°)
OKLab	oklab(39.98% 0.0048 -0.1584)
OKLCH	oklch(39.98% 0.159 271.7)
XYZ	xyz(8.4597, 5.8499, 31.6873)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D399B #9B8F2D

analogous

#2D709B #2D399B #582D9B

triadic

#2D399B #9B2D39 #399B2D

tetradic

#2D399B #9B2D70 #9B8F2D #2D9B58

square

#2D399B #9B2D70 #9B8F2D #2D9B58

split-complementary

#2D399B #9B582D #709B2D

monochromatic

#11163C #1F286C #2D399B #3E4DC7 #6E79D5

Accessibility & contrast

On white

9.68

#2D399B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2D399B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D399B

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D399B	#FFFFFF	#000000	##FFFFFF
##2D399B	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A9E

Deuteranopia (green-blind)

#003F99

Tritanopia (blue-blind)

#005264

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d399b;
/* rgb */ color: rgb(45, 57, 155);
/* oklch */ color: oklch(40.0% 0.159 271.7);

Tailwind

colors: {
  custom: {
    50: '#756fb9',
    500: '#2d399b',
    950: '#000000',
  },
}

SCSS

$custom: #2d399b;
$custom-light: #756fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d399b",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 155
  },
  "hsl": {
    "h": 233.455,
    "s": 55,
    "l": 39.216
  },
  "oklch": {
    "l": 0.39978,
    "c": 0.15852,
    "h": 271.7
  },
  "luminance": 0.05851
}

Semantic roles & 50–950 ramp

primary

#2D399B

secondary

#BCB368

accent

#CE49DE

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D399B

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

Preview Lab → · Contrast checker → · Palette generator →