#1D2E73#1D2E73

#1D2E73 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.3% C 0.121 H 268.5°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1D2E73
RGB	rgb(29, 46, 115)
HSL	hsl(228, 60%, 28%)
HSV	hsv(228, 75%, 45%)
CMYK	cmyk(74.8%, 60%, 0%, 54.9%)
CIE-LAB	lab(21.77, 19.10, -41.81)
CIE-LCH	lch(21.77, 45.96, 294.55°)
OKLab	oklab(33.29% -0.0032 -0.1205)
OKLCH	oklch(33.29% 0.121 268.5)
XYZ	xyz(4.5771, 3.4525, 16.6415)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2E73 #73621D

analogous

#1D5973 #1D2E73 #371D73

triadic

#1D2E73 #731D2E #2E731D

tetradic

#1D2E73 #731D59 #73621D #1D7337

square

#1D2E73 #731D59 #73621D #1D7337

split-complementary

#1D2E73 #73371D #59731D

monochromatic

#060A18 #111A42 #1D2E73 #2942A4 #3C59CE

Accessibility & contrast

On white

12.42

#1D2E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2E73

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2E73	#FFFFFF	#000000	##FFFFFF
##1D2E73	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#003F4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2e73;
/* rgb */ color: rgb(29, 46, 115);
/* oklch */ color: oklch(33.3% 0.121 268.5);

Tailwind

colors: {
  custom: {
    50: '#66669c',
    500: '#1d2e73',
    950: '#000000',
  },
}

SCSS

$custom: #1d2e73;
$custom-light: #66669c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2e73",
  "rgb": {
    "r": 29,
    "g": 46,
    "b": 115
  },
  "hsl": {
    "h": 228.14,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33286,
    "c": 0.12057,
    "h": 268.5
  },
  "luminance": 0.03453
}

Semantic roles & 50–950 ramp

primary

#1D2E73

secondary

#A79445

accent

#C445E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06050E

muted

#7A7A7E

Preview Lab

Preview with #1D2E73

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

Preview Lab → · Contrast checker → · Palette generator →