#1D2276#1D2276

#1D2276 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.2% C 0.140 H 272.3°. Best body text is #FFFFFF at 13.61:1 contrast (WCAG AA passes).

Color values

HEX	#1D2276
RGB	rgb(29, 34, 118)
HSL	hsl(237, 61%, 29%)
HSV	hsv(237, 75%, 46%)
CMYK	cmyk(75.4%, 71.2%, 0%, 53.7%)
CIE-LAB	lab(18.85, 28.58, -48.50)
CIE-LCH	lch(18.85, 56.30, 300.51°)
OKLab	oklab(31.22% 0.0057 -0.1403)
OKLCH	oklch(31.22% 0.14 272.3)
XYZ	xyz(4.3476, 2.7128, 17.4305)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2276 #76711D

analogous

#1D4F76 #1D2276 #451D76

triadic

#1D2276 #761D22 #22761D

tetradic

#1D2276 #761D4F #76711D #1D7645

square

#1D2276 #761D4F #76711D #1D7645

split-complementary

#1D2276 #76451D #4F761D

monochromatic

#060719 #111445 #1D2276 #2930A7 #3E46D0

Accessibility & contrast

On white

13.61

#1D2276 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1D2276 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2276

13.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2276	#FFFFFF	#000000	##FFFFFF
##1D2276	1.00	13.61	1.54	13.61
#FFFFFF	13.61	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003279

Deuteranopia (green-blind)

#002A74

Tritanopia (blue-blind)

#003949

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d2276;
/* rgb */ color: rgb(29, 34, 118);
/* oklch */ color: oklch(31.2% 0.140 272.3);

Tailwind

colors: {
  custom: {
    50: '#685d9e',
    500: '#1d2276',
    950: '#000000',
  },
}

SCSS

$custom: #1d2276;
$custom-light: #685d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2276",
  "rgb": {
    "r": 29,
    "g": 34,
    "b": 118
  },
  "hsl": {
    "h": 236.629,
    "s": 60.544,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31224,
    "c": 0.14037,
    "h": 272.3
  },
  "luminance": 0.02713
}

Semantic roles & 50–950 ramp

primary

#1D2276

secondary

#AAA445

accent

#DB44E4

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1D2276

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

Preview Lab → · Contrast checker → · Palette generator →