#2D3F83#2D3F83

#2D3F83 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.2% C 0.116 H 269.3°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F83
RGB	rgb(45, 63, 131)
HSL	hsl(227, 49%, 35%)
HSV	hsv(227, 66%, 51%)
CMYK	cmyk(65.6%, 51.9%, 0%, 48.6%)
CIE-LAB	lab(28.78, 16.14, -40.54)
CIE-LCH	lch(28.78, 43.63, 291.71°)
OKLab	oklab(39.2% -0.0014 -0.1162)
OKLCH	oklch(39.2% 0.116 269.3)
XYZ	xyz(6.9550, 5.7510, 22.2119)
Luminance	0.0575 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F83 #83712D

analogous

#2D6A83 #2D3F83 #462D83

triadic

#2D3F83 #832D3F #3F832D

tetradic

#2D3F83 #832D6A #83712D #2D8346

square

#2D3F83 #832D6A #83712D #2D8346

split-complementary

#2D3F83 #83462D #6A832D

monochromatic

#0E1328 #1D2955 #2D3F83 #3D55B1 #6277C9

Accessibility & contrast

On white

9.77

#2D3F83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#2D3F83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F83

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F83	#FFFFFF	#000000	##FFFFFF
##2D3F83	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194885

Deuteranopia (green-blind)

#024082

Tritanopia (blue-blind)

#004F5B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2d3f83;
/* rgb */ color: rgb(45, 63, 131);
/* oklch */ color: oklch(39.2% 0.116 269.3);

Tailwind

colors: {
  custom: {
    50: '#7073a7',
    500: '#2d3f83',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f83;
$custom-light: #7073a7;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f83",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 131
  },
  "hsl": {
    "h": 227.442,
    "s": 48.864,
    "l": 34.51
  },
  "oklch": {
    "l": 0.39195,
    "c": 0.11617,
    "h": 269.3
  },
  "luminance": 0.05752
}

Semantic roles & 50–950 ramp

primary

#2D3F83

secondary

#AF9E5C

accent

#BC4FD8

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#08080F

muted

#7B7B7F

Preview Lab

Preview with #2D3F83

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

Preview Lab → · Contrast checker → · Palette generator →