#1D2F73#1D2F73

#1D2F73 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.5% C 0.119 H 268.1°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F73
RGB	rgb(29, 47, 115)
HSL	hsl(227, 60%, 28%)
HSV	hsv(227, 75%, 45%)
CMYK	cmyk(74.8%, 59.1%, 0%, 54.9%)
CIE-LAB	lab(22.06, 18.39, -41.34)
CIE-LCH	lch(22.06, 45.25, 293.98°)
OKLab	oklab(33.5% -0.004 -0.1191)
OKLCH	oklch(33.5% 0.119 268.1)
XYZ	xyz(4.6167, 3.5316, 16.6547)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F73 #73611D

analogous

#1D5A73 #1D2F73 #361D73

triadic

#1D2F73 #731D2F #2F731D

tetradic

#1D2F73 #731D5A #73611D #1D7336

square

#1D2F73 #731D5A #73611D #1D7336

split-complementary

#1D2F73 #73361D #5A731D

monochromatic

#060A18 #111B42 #1D2F73 #2943A4 #3C5BCE

Accessibility & contrast

On white

12.31

#1D2F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#1D2F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F73

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F73	#FFFFFF	#000000	##FFFFFF
##1D2F73	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003975

Deuteranopia (green-blind)

#003172

Tritanopia (blue-blind)

#00404C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2f73;
/* rgb */ color: rgb(29, 47, 115);
/* oklch */ color: oklch(33.5% 0.119 268.1);

Tailwind

colors: {
  custom: {
    50: '#66679c',
    500: '#1d2f73',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f73;
$custom-light: #66679c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f73",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 115
  },
  "hsl": {
    "h": 227.442,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.335,
    "c": 0.11921,
    "h": 268.1
  },
  "luminance": 0.03532
}

Semantic roles & 50–950 ramp

primary

#1D2F73

secondary

#A79345

accent

#C245E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #1D2F73

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

Preview Lab → · Contrast checker → · Palette generator →