#2D39A8#2D39A8

#2D39A8 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.2% C 0.176 H 271.3°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#2D39A8
RGB	rgb(45, 57, 168)
HSL	hsl(234, 58%, 42%)
HSV	hsv(234, 73%, 66%)
CMYK	cmyk(73.2%, 66.1%, 0%, 34.1%)
CIE-LAB	lab(30.18, 33.88, -60.88)
CIE-LCH	lch(30.18, 69.67, 299.10°)
OKLab	oklab(41.18% 0.0041 -0.176)
OKLCH	oklch(41.18% 0.176 271.3)
XYZ	xyz(9.6108, 6.3103, 37.7497)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D39A8 #A89C2D

analogous

#2D77A8 #2D39A8 #5F2DA8

triadic

#2D39A8 #A82D39 #39A82D

tetradic

#2D39A8 #A82D77 #A89C2D #2DA85F

square

#2D39A8 #A82D77 #A89C2D #2DA85F

split-complementary

#2D39A8 #A85F2D #77A82D

monochromatic

#131847 #202978 #2D39A8 #4552CD #757FDA

Accessibility & contrast

On white

9.28

#2D39A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#2D39A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D39A8

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D39A8	#FFFFFF	#000000	##FFFFFF
##2D39A8	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAB

Deuteranopia (green-blind)

#0041A6

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d39a8;
/* rgb */ color: rgb(45, 57, 168);
/* oklch */ color: oklch(41.2% 0.176 271.3);

Tailwind

colors: {
  custom: {
    50: '#786fc3',
    500: '#2d39a8',
    950: '#000000',
  },
}

SCSS

$custom: #2d39a8;
$custom-light: #786fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2d39a8",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 168
  },
  "hsl": {
    "h": 234.146,
    "s": 57.746,
    "l": 41.765
  },
  "oklch": {
    "l": 0.41178,
    "c": 0.17602,
    "h": 271.3
  },
  "luminance": 0.06311
}

Semantic roles & 50–950 ramp

primary

#2D39A8

secondary

#C2BA6F

accent

#D247E1

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2D39A8

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

Preview Lab → · Contrast checker → · Palette generator →