#1D2B65#1D2B65

#1D2B65 is a dark, moderate blue. Relative luminance 0.029; OKLCH L 31.4% C 0.104 H 269.4°. Best body text is #FFFFFF at 13.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B65
RGB	rgb(29, 43, 101)
HSL	hsl(228, 55%, 25%)
HSV	hsv(228, 71%, 40%)
CMYK	cmyk(71.3%, 57.4%, 0%, 60.4%)
CIE-LAB	lab(19.75, 15.63, -36.02)
CIE-LCH	lch(19.75, 39.26, 293.46°)
OKLab	oklab(31.41% -0.0012 -0.1035)
OKLCH	oklch(31.41% 0.104 269.4)
XYZ	xyz(3.7187, 2.9282, 12.6786)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B65 #65571D

analogous

#1D4F65 #1D2B65 #331D65

triadic

#1D2B65 #651D2B #2B651D

tetradic

#1D2B65 #651D4F #65571D #1D6533

square

#1D2B65 #651D4F #65571D #1D6533

split-complementary

#1D2B65 #65331D #4F651D

monochromatic

#070A18 #0F1735 #1D2B65 #2B3F95 #3853C4

Accessibility & contrast

On white

13.24

#1D2B65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D2B65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B65

13.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B65	#FFFFFF	#000000	##FFFFFF
##1D2B65	1.00	13.24	1.59	13.24
#FFFFFF	13.24	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#023367

Deuteranopia (green-blind)

#002D64

Tritanopia (blue-blind)

#003943

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2b65;
/* rgb */ color: rgb(29, 43, 101);
/* oklch */ color: oklch(31.4% 0.104 269.4);

Tailwind

colors: {
  custom: {
    50: '#636491',
    500: '#1d2b65',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b65;
$custom-light: #636491;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b65",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 101
  },
  "hsl": {
    "h": 228.333,
    "s": 55.385,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3141,
    "c": 0.10356,
    "h": 269.4
  },
  "luminance": 0.02929
}

Semantic roles & 50–950 ramp

primary

#1D2B65

secondary

#9A8944

accent

#C249DF

background

#F6F5F9

surface

#EBEAF1

border

#C6C6CB

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1D2B65

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

Preview Lab → · Contrast checker → · Palette generator →