#1D2479#1D2479

#1D2479 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.142 H 271.7°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX	#1D2479
RGB	rgb(29, 36, 121)
HSL	hsl(235, 61%, 29%)
HSV	hsv(235, 76%, 47%)
CMYK	cmyk(76%, 70.2%, 0%, 52.5%)
CIE-LAB	lab(19.65, 28.38, -49.11)
CIE-LCH	lch(19.65, 56.72, 300.02°)
OKLab	oklab(31.89% 0.0041 -0.142)
OKLCH	oklch(31.89% 0.142 271.7)
XYZ	xyz(4.5876, 2.9030, 18.4040)
Luminance	0.0290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2479 #79721D

analogous

#1D5279 #1D2479 #441D79

triadic

#1D2479 #791D24 #24791D

tetradic

#1D2479 #791D52 #79721D #1D7944

square

#1D2479 #791D52 #79721D #1D7944

split-complementary

#1D2479 #79441D #52791D

monochromatic

#060719 #111548 #1D2479 #2933AA #3F4AD1

Accessibility & contrast

On white

13.29

#1D2479 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D2479 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2479

13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2479	#FFFFFF	#000000	##FFFFFF
##1D2479	1.00	13.29	1.58	13.29
#FFFFFF	13.29	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347C

Deuteranopia (green-blind)

#002B77

Tritanopia (blue-blind)

#003B4B

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d2479;
/* rgb */ color: rgb(29, 36, 121);
/* oklch */ color: oklch(31.9% 0.142 271.7);

Tailwind

colors: {
  custom: {
    50: '#695fa1',
    500: '#1d2479',
    950: '#000000',
  },
}

SCSS

$custom: #1d2479;
$custom-light: #695fa1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2479",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 121
  },
  "hsl": {
    "h": 235.435,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31893,
    "c": 0.1421,
    "h": 271.7
  },
  "luminance": 0.02903
}

Semantic roles & 50–950 ramp

primary

#1D2479

secondary

#ADA545

accent

#D843E4

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D2479

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

Preview Lab → · Contrast checker → · Palette generator →