#1D2F56#1D2F56

#1D2F56 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.2% C 0.074 H 263.9°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F56
RGB	rgb(29, 47, 86)
HSL	hsl(221, 50%, 23%)
HSV	hsv(221, 66%, 34%)
CMYK	cmyk(66.3%, 45.3%, 0%, 66.3%)
CIE-LAB	lab(19.91, 6.72, -25.87)
CIE-LCH	lch(19.91, 26.73, 284.56°)
OKLab	oklab(31.18% -0.0078 -0.0736)
OKLCH	oklch(31.18% 0.074 263.9)
XYZ	xyz(3.2023, 2.9658, 9.2060)
Luminance	0.0297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F56 #56441D

analogous

#1D4B56 #1D2F56 #281D56

triadic

#1D2F56 #561D2F #2F561D

tetradic

#1D2F56 #561D4B #56441D #1D5628

square

#1D2F56 #561D4B #56441D #1D5628

split-complementary

#1D2F56 #56281D #4B561D

monochromatic

#080D17 #0E1628 #1D2F56 #2C4884 #3C61B2

Accessibility & contrast

On white

13.18

#1D2F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D2F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F56

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F56	#FFFFFF	#000000	##FFFFFF
##1D2F56	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E3358

Deuteranopia (green-blind)

#162E55

Tritanopia (blue-blind)

#00383E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2f56;
/* rgb */ color: rgb(29, 47, 86);
/* oklch */ color: oklch(31.2% 0.074 263.9);

Tailwind

colors: {
  custom: {
    50: '#5f6786',
    500: '#1d2f56',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f56;
$custom-light: #5f6786;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f56",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 86
  },
  "hsl": {
    "h": 221.053,
    "s": 49.565,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31178,
    "c": 0.07406,
    "h": 263.9
  },
  "luminance": 0.02966
}

Semantic roles & 50–950 ramp

primary

#1D2F56

secondary

#8B7544

accent

#AD4FD9

background

#F5F6F8

surface

#EAEBEF

border

#C6C6CA

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1D2F56

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

Preview Lab → · Contrast checker → · Palette generator →