#1D2A80#1D2A80

#1D2A80 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.7% C 0.144 H 269.9°. Best body text is #FFFFFF at 12.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A80
RGB	rgb(29, 42, 128)
HSL	hsl(232, 63%, 31%)
HSV	hsv(232, 77%, 50%)
CMYK	cmyk(77.3%, 67.2%, 0%, 49.8%)
CIE-LAB	lab(21.85, 27.01, -49.94)
CIE-LCH	lch(21.85, 56.78, 298.40°)
OKLab	oklab(33.71% -0.0004 -0.1444)
OKLCH	oklch(33.71% 0.144 269.9)
XYZ	xyz(5.2296, 3.4751, 20.8130)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A80 #80731D

analogous

#1D5B80 #1D2A80 #411D80

triadic

#1D2A80 #801D2A #2A801D

tetradic

#1D2A80 #801D5B #80731D #1D8041

square

#1D2A80 #801D5B #80731D #1D8041

split-complementary

#1D2A80 #80411D #5B801D

monochromatic

#06091C #121A4E #1D2A80 #283AB2 #4356D4

Accessibility & contrast

On white

12.39

#1D2A80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D2A80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A80

12.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A80	#FFFFFF	#000000	##FFFFFF
##1D2A80	1.00	12.39	1.70	12.39
#FFFFFF	12.39	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003983

Deuteranopia (green-blind)

#00307E

Tritanopia (blue-blind)

#004151

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2a80;
/* rgb */ color: rgb(29, 42, 128);
/* oklch */ color: oklch(33.7% 0.144 269.9);

Tailwind

colors: {
  custom: {
    50: '#6a63a6',
    500: '#1d2a80',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a80;
$custom-light: #6a63a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a80",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 128
  },
  "hsl": {
    "h": 232.121,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.33709,
    "c": 0.14444,
    "h": 269.9
  },
  "luminance": 0.03476
}

Semantic roles & 50–950 ramp

primary

#1D2A80

secondary

#B3A545

accent

#D142E6

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2A80

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

Preview Lab → · Contrast checker → · Palette generator →