#2D39A6#2D39A6

#2D39A6 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 41.0% C 0.173 H 271.4°. Best body text is #FFFFFF at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#2D39A6
RGB	rgb(45, 57, 166)
HSL	hsl(234, 57%, 41%)
HSV	hsv(234, 73%, 65%)
CMYK	cmyk(72.9%, 65.7%, 0%, 34.9%)
CIE-LAB	lab(30.00, 33.16, -59.97)
CIE-LCH	lch(30.00, 68.53, 298.94°)
OKLab	oklab(40.99% 0.0042 -0.1733)
OKLCH	oklch(40.99% 0.173 271.4)
XYZ	xyz(9.4259, 6.2364, 36.7760)
Luminance	0.0624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D39A6 #A69A2D

analogous

#2D76A6 #2D39A6 #5E2DA6

triadic

#2D39A6 #A62D39 #39A62D

tetradic

#2D39A6 #A62D76 #A69A2D #2DA65E

square

#2D39A6 #A62D76 #A69A2D #2DA65E

split-complementary

#2D39A6 #A65E2D #76A62D

monochromatic

#131846 #202876 #2D39A6 #4451CC #747ED9

Accessibility & contrast

On white

9.34

#2D39A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2D39A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D39A6

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D39A6	#FFFFFF	#000000	##FFFFFF
##2D39A6	1.00	9.34	2.25	9.34
#FFFFFF	9.34	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CA9

Deuteranopia (green-blind)

#0041A4

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d39a6;
/* rgb */ color: rgb(45, 57, 166);
/* oklch */ color: oklch(41.0% 0.173 271.4);

Tailwind

colors: {
  custom: {
    50: '#786fc1',
    500: '#2d39a6',
    950: '#000000',
  },
}

SCSS

$custom: #2d39a6;
$custom-light: #786fc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d39a6",
  "rgb": {
    "r": 45,
    "g": 57,
    "b": 166
  },
  "hsl": {
    "h": 234.05,
    "s": 57.346,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4099,
    "c": 0.17337,
    "h": 271.4
  },
  "luminance": 0.06237
}

Semantic roles & 50–950 ramp

primary

#2D39A6

secondary

#C1B96E

accent

#D147E1

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D39A6

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

Preview Lab → · Contrast checker → · Palette generator →