#1D276A#1D276A

#1D276A is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.0% C 0.117 H 271.3°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D276A
RGB	rgb(29, 39, 106)
HSL	hsl(232, 57%, 26%)
HSV	hsv(232, 73%, 42%)
CMYK	cmyk(72.6%, 63.2%, 0%, 58.4%)
CIE-LAB	lab(19.02, 20.50, -40.47)
CIE-LCH	lch(19.02, 45.36, 296.86°)
OKLab	oklab(31% 0.0027 -0.1167)
OKLCH	oklch(31% 0.117 271.3)
XYZ	xyz(3.8329, 2.7525, 13.9622)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D276A #6A601D

analogous

#1D4E6A #1D276A #3A1D6A

triadic

#1D276A #6A1D27 #276A1D

tetradic

#1D276A #6A1D4E #6A601D #1D6A3A

square

#1D276A #6A1D4E #6A601D #1D6A3A

split-complementary

#1D276A #6A3A1D #4E6A1D

monochromatic

#070918 #10153A #1D276A #2A399A #394BC9

Accessibility & contrast

On white

13.54

#1D276A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D276A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D276A

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D276A	#FFFFFF	#000000	##FFFFFF
##1D276A	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326C

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d276a;
/* rgb */ color: rgb(29, 39, 106);
/* oklch */ color: oklch(31.0% 0.117 271.3);

Tailwind

colors: {
  custom: {
    50: '#646195',
    500: '#1d276a',
    950: '#000000',
  },
}

SCSS

$custom: #1d276a;
$custom-light: #646195;
$custom-dark: #000000;

JSON

{
  "hex": "#1d276a",
  "rgb": {
    "r": 29,
    "g": 39,
    "b": 106
  },
  "hsl": {
    "h": 232.208,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.30996,
    "c": 0.11671,
    "h": 271.3
  },
  "luminance": 0.02753
}

Semantic roles & 50–950 ramp

primary

#1D276A

secondary

#9F9344

accent

#CC48E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1D276A

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

Preview Lab → · Contrast checker → · Palette generator →