#2D3A71#2D3A71

#2D3A71 is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.096 H 271.0°. Best body text is #FFFFFF at 10.74:1 contrast (WCAG AA passes).

Color values

HEX	#2D3A71
RGB	rgb(45, 58, 113)
HSL	hsl(229, 43%, 31%)
HSV	hsv(229, 60%, 44%)
CMYK	cmyk(60.2%, 48.7%, 0%, 55.7%)
CIE-LAB	lab(26.09, 12.86, -33.52)
CIE-LCH	lch(26.09, 35.90, 290.99°)
OKLab	oklab(36.76% 0.0017 -0.0956)
OKLCH	oklch(36.76% 0.096 271)
XYZ	xyz(5.5749, 4.7758, 16.2476)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D3A71 #71642D

analogous

#2D5C71 #2D3A71 #422D71

triadic

#2D3A71 #712D3A #3A712D

tetradic

#2D3A71 #712D5C #71642D #2D7142

square

#2D3A71 #712D5C #71642D #2D7142

split-complementary

#2D3A71 #71422D #5C712D

monochromatic

#0A0D19 #1C2445 #2D3A71 #3E509D #5B6EBE

Accessibility & contrast

On white

10.74

#2D3A71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2D3A71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D3A71

10.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D3A71	#FFFFFF	#000000	##FFFFFF
##2D3A71	1.00	10.74	1.96	10.74
#FFFFFF	10.74	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204173

Deuteranopia (green-blind)

#173B70

Tritanopia (blue-blind)

#014650

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2d3a71;
/* rgb */ color: rgb(45, 58, 113);
/* oklch */ color: oklch(36.8% 0.096 271.0);

Tailwind

colors: {
  custom: {
    50: '#6c6f9a',
    500: '#2d3a71',
    950: '#000000',
  },
}

SCSS

$custom: #2d3a71;
$custom-light: #6c6f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#2d3a71",
  "rgb": {
    "r": 45,
    "g": 58,
    "b": 113
  },
  "hsl": {
    "h": 228.529,
    "s": 43.038,
    "l": 30.98
  },
  "oklch": {
    "l": 0.36756,
    "c": 0.09561,
    "h": 271
  },
  "luminance": 0.04776
}

Semantic roles & 50–950 ramp

primary

#2D3A71

secondary

#A39457

accent

#BB55D3

background

#F6F6F9

surface

#ECECF2

border

#C7C7CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2D3A71

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

Preview Lab → · Contrast checker → · Palette generator →