#1D2B68#1D2B68

#1D2B68 is a dark, moderate blue. Relative luminance 0.030; OKLCH L 31.7% C 0.108 H 269.5°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B68
RGB	rgb(29, 43, 104)
HSL	hsl(229, 56%, 26%)
HSV	hsv(229, 72%, 41%)
CMYK	cmyk(72.1%, 58.7%, 0%, 59.2%)
CIE-LAB	lab(20.00, 16.83, -37.59)
CIE-LCH	lch(20.00, 41.18, 294.13°)
OKLab	oklab(31.67% -0.001 -0.1082)
OKLCH	oklch(31.67% 0.108 269.5)
XYZ	xyz(3.8684, 2.9881, 13.4669)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B68 #685A1D

analogous

#1D5068 #1D2B68 #341D68

triadic

#1D2B68 #681D2B #2B681D

tetradic

#1D2B68 #681D50 #685A1D #1D6834

square

#1D2B68 #681D50 #685A1D #1D6834

split-complementary

#1D2B68 #68341D #50681D

monochromatic

#070A18 #101738 #1D2B68 #2A3F98 #3853C7

Accessibility & contrast

On white

13.14

#1D2B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D2B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B68

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B68	#FFFFFF	#000000	##FFFFFF
##1D2B68	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346A

Deuteranopia (green-blind)

#002D67

Tritanopia (blue-blind)

#003A45

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2b68;
/* rgb */ color: rgb(29, 43, 104);
/* oklch */ color: oklch(31.7% 0.108 269.5);

Tailwind

colors: {
  custom: {
    50: '#646494',
    500: '#1d2b68',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b68;
$custom-light: #646494;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b68",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 104
  },
  "hsl": {
    "h": 228.8,
    "s": 56.391,
    "l": 26.078
  },
  "oklch": {
    "l": 0.31668,
    "c": 0.10816,
    "h": 269.5
  },
  "luminance": 0.02988
}

Semantic roles & 50–950 ramp

primary

#1D2B68

secondary

#9D8C44

accent

#C348E0

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1D2B68

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

Preview Lab → · Contrast checker → · Palette generator →