#1D2D72#1D2D72

#1D2D72 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.0% C 0.120 H 268.9°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D72
RGB	rgb(29, 45, 114)
HSL	hsl(229, 59%, 28%)
HSV	hsv(229, 75%, 45%)
CMYK	cmyk(74.6%, 60.5%, 0%, 55.3%)
CIE-LAB	lab(21.40, 19.41, -41.77)
CIE-LCH	lch(21.40, 46.06, 294.93°)
OKLab	oklab(32.98% -0.0023 -0.1204)
OKLCH	oklch(32.98% 0.12 268.9)
XYZ	xyz(4.4813, 3.3524, 16.3272)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D72 #72621D

analogous

#1D5772 #1D2D72 #371D72

triadic

#1D2D72 #721D2D #2D721D

tetradic

#1D2D72 #721D57 #72621D #1D7237

square

#1D2D72 #721D57 #72621D #1D7237

split-complementary

#1D2D72 #72371D #57721D

monochromatic

#060A18 #111A41 #1D2D72 #2940A3 #3C57CD

Accessibility & contrast

On white

12.57

#1D2D72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D2D72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D72

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D72	#FFFFFF	#000000	##FFFFFF
##1D2D72	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003774

Deuteranopia (green-blind)

#003071

Tritanopia (blue-blind)

#003E4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2d72;
/* rgb */ color: rgb(29, 45, 114);
/* oklch */ color: oklch(33.0% 0.120 268.9);

Tailwind

colors: {
  custom: {
    50: '#66659b',
    500: '#1d2d72',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d72;
$custom-light: #66659b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d72",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 114
  },
  "hsl": {
    "h": 228.706,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32984,
    "c": 0.12044,
    "h": 268.9
  },
  "luminance": 0.03353
}

Semantic roles & 50–950 ramp

primary

#1D2D72

secondary

#A69445

accent

#C545E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1D2D72

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

Preview Lab → · Contrast checker → · Palette generator →