#2D3F8E#2D3F8E

#2D3F8E is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.1% C 0.132 H 269.8°. Best body text is #FFFFFF at 9.49:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F8E
RGB	rgb(45, 63, 142)
HSL	hsl(229, 52%, 37%)
HSV	hsv(229, 68%, 56%)
CMYK	cmyk(68.3%, 55.6%, 0%, 44.3%)
CIE-LAB	lab(29.58, 20.28, -46.05)
CIE-LCH	lch(29.58, 50.32, 293.76°)
OKLab	oklab(40.06% -0.0005 -0.1324)
OKLCH	oklch(40.06% 0.132 269.8)
XYZ	xyz(7.7405, 6.0652, 26.3487)
Luminance	0.0607 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F8E #8E7C2D

analogous

#2D708E #2D3F8E #4C2D8E

triadic

#2D3F8E #8E2D3F #3F8E2D

tetradic

#2D3F8E #8E2D70 #8E7C2D #2D8E4C

square

#2D3F8E #8E2D70 #8E7C2D #2D8E4C

split-complementary

#2D3F8E #8E4C2D #708E2D

monochromatic

#101631 #1E2A60 #2D3F8E #3C54BC #677ACF

Accessibility & contrast

On white

9.49

#2D3F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#2D3F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F8E

9.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F8E	#FFFFFF	#000000	##FFFFFF
##2D3F8E	1.00	9.49	2.21	9.49
#FFFFFF	9.49	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#034A91

Deuteranopia (green-blind)

#00418C

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d3f8e;
/* rgb */ color: rgb(45, 63, 142);
/* oklch */ color: oklch(40.1% 0.132 269.8);

Tailwind

colors: {
  custom: {
    50: '#7273b0',
    500: '#2d3f8e',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f8e;
$custom-light: #7273b0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f8e",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 142
  },
  "hsl": {
    "h": 228.866,
    "s": 51.872,
    "l": 36.667
  },
  "oklch": {
    "l": 0.40055,
    "c": 0.13239,
    "h": 269.8
  },
  "luminance": 0.06066
}

Semantic roles & 50–950 ramp

primary

#2D3F8E

secondary

#B5A661

accent

#C14CDB

background

#F7F6FA

surface

#EDECF5

border

#C8C7CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #2D3F8E

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

Preview Lab → · Contrast checker → · Palette generator →