#1D2F4E#1D2F4E

#1D2F4E is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.6% C 0.061 H 260.7°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D2F4E
RGB	rgb(29, 47, 78)
HSL	hsl(218, 46%, 21%)
HSV	hsv(218, 63%, 31%)
CMYK	cmyk(62.8%, 39.7%, 0%, 69.4%)
CIE-LAB	lab(19.41, 3.58, -21.31)
CIE-LCH	lch(19.41, 21.61, 279.54°)
OKLab	oklab(30.63% -0.0099 -0.0603)
OKLCH	oklch(30.63% 0.061 260.7)
XYZ	xyz(2.8979, 2.8441, 7.6025)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2F4E #4E3C1D

analogous

#1D474E #1D2F4E #231D4E

triadic

#1D2F4E #4E1D2F #2F4E1D

tetradic

#1D2F4E #4E1D47 #4E3C1D #1D4E23

square

#1D2F4E #4E1D47 #4E3C1D #1D4E23

split-complementary

#1D2F4E #4E231D #474E1D

monochromatic

#080D16 #0C1421 #1D2F4E #2E4A7B #3E65A7

Accessibility & contrast

On white

13.39

#1D2F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1D2F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2F4E

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2F4E	#FFFFFF	#000000	##FFFFFF
##1D2F4E	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22324F

Deuteranopia (green-blind)

#1C2D4D

Tritanopia (blue-blind)

#00363A

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d2f4e;
/* rgb */ color: rgb(29, 47, 78);
/* oklch */ color: oklch(30.6% 0.061 260.7);

Tailwind

colors: {
  custom: {
    50: '#5e6780',
    500: '#1d2f4e',
    950: '#000000',
  },
}

SCSS

$custom: #1d2f4e;
$custom-light: #5e6780;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2f4e",
  "rgb": {
    "r": 29,
    "g": 47,
    "b": 78
  },
  "hsl": {
    "h": 217.959,
    "s": 45.794,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3063,
    "c": 0.06109,
    "h": 260.7
  },
  "luminance": 0.02844
}

Semantic roles & 50–950 ramp

primary

#1D2F4E

secondary

#836C44

accent

#A552D5

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #1D2F4E

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

Preview Lab → · Contrast checker → · Palette generator →