#2D3F91#2D3F91

#2D3F91 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.137 H 269.9°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#2D3F91
RGB	rgb(45, 63, 145)
HSL	hsl(229, 53%, 37%)
HSV	hsv(229, 69%, 57%)
CMYK	cmyk(69%, 56.6%, 0%, 43.1%)
CIE-LAB	lab(29.80, 21.41, -47.53)
CIE-LCH	lch(29.80, 52.13, 294.25°)
OKLab	oklab(40.3% -0.0003 -0.1367)
OKLCH	oklch(40.3% 0.137 269.9)
XYZ	xyz(7.9688, 6.1565, 27.5509)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3F91 #917F2D

analogous

#2D7191 #2D3F91 #4D2D91

triadic

#2D3F91 #912D3F #3F912D

tetradic

#2D3F91 #912D71 #917F2D #2D914D

square

#2D3F91 #912D71 #917F2D #2D914D

split-complementary

#2D3F91 #914D2D #71912D

monochromatic

#101634 #1F2B62 #2D3F91 #3B53C0 #687BD0

Accessibility & contrast

On white

9.41

#2D3F91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2D3F91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3F91

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3F91	#FFFFFF	#000000	##FFFFFF
##2D3F91	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004B94

Deuteranopia (green-blind)

#00428F

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2d3f91;
/* rgb */ color: rgb(45, 63, 145);
/* oklch */ color: oklch(40.3% 0.137 269.9);

Tailwind

colors: {
  custom: {
    50: '#7373b2',
    500: '#2d3f91',
    950: '#000000',
  },
}

SCSS

$custom: #2d3f91;
$custom-light: #7373b2;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3f91",
  "rgb": {
    "r": 45,
    "g": 63,
    "b": 145
  },
  "hsl": {
    "h": 229.2,
    "s": 52.632,
    "l": 37.255
  },
  "oklch": {
    "l": 0.40298,
    "c": 0.13673,
    "h": 269.9
  },
  "luminance": 0.06157
}

Semantic roles & 50–950 ramp

primary

#2D3F91

secondary

#B7A863

accent

#C24CDC

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #2D3F91

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

Preview Lab → · Contrast checker → · Palette generator →