#1D2D71#1D2D71

#1D2D71 is a dark, moderate blue. Relative luminance 0.033; OKLCH L 32.9% C 0.119 H 268.8°. Best body text is #FFFFFF at 12.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D71
RGB	rgb(29, 45, 113)
HSL	hsl(229, 59%, 28%)
HSV	hsv(229, 74%, 44%)
CMYK	cmyk(74.3%, 60.2%, 0%, 55.7%)
CIE-LAB	lab(21.32, 19.01, -41.26)
CIE-LCH	lch(21.32, 45.43, 294.74°)
OKLab	oklab(32.89% -0.0024 -0.1189)
OKLCH	oklch(32.89% 0.119 268.8)
XYZ	xyz(4.4247, 3.3298, 16.0291)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D71 #71611D

analogous

#1D5771 #1D2D71 #371D71

triadic

#1D2D71 #711D2D #2D711D

tetradic

#1D2D71 #711D57 #71611D #1D7137

square

#1D2D71 #711D57 #71611D #1D7137

split-complementary

#1D2D71 #71371D #57711D

monochromatic

#060A18 #111A40 #1D2D71 #2940A2 #3C57CD

Accessibility & contrast

On white

12.61

#1D2D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D2D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D71

12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D71	#FFFFFF	#000000	##FFFFFF
##1D2D71	1.00	12.61	1.67	12.61
#FFFFFF	12.61	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003773

Deuteranopia (green-blind)

#002F70

Tritanopia (blue-blind)

#003E4A

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2d71;
/* rgb */ color: rgb(29, 45, 113);
/* oklch */ color: oklch(32.9% 0.119 268.8);

Tailwind

colors: {
  custom: {
    50: '#66659a',
    500: '#1d2d71',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d71;
$custom-light: #66659a;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d71",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 113
  },
  "hsl": {
    "h": 228.571,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32894,
    "c": 0.11895,
    "h": 268.8
  },
  "luminance": 0.0333
}

Semantic roles & 50–950 ramp

primary

#1D2D71

secondary

#A59344

accent

#C445E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1D2D71

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

Preview Lab → · Contrast checker → · Palette generator →