#1D48A6#1D48A6

#1D48A6 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.2% C 0.159 H 263.0°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#1D48A6
RGB	rgb(29, 72, 166)
HSL	hsl(221, 70%, 38%)
HSV	hsv(221, 83%, 65%)
CMYK	cmyk(82.5%, 56.6%, 0%, 34.9%)
CIE-LAB	lab(33.24, 21.46, -54.71)
CIE-LCH	lch(33.24, 58.77, 291.42°)
OKLab	oklab(43.21% -0.0195 -0.158)
OKLCH	oklch(43.21% 0.159 263)
XYZ	xyz(9.7045, 7.6479, 37.0337)
Luminance	0.0765 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D48A6 #A67B1D

analogous

#1D8CA6 #1D48A6 #371DA6

triadic

#1D48A6 #A61D48 #48A61D

tetradic

#1D48A6 #A61D8C #A67B1D #1DA637

square

#1D48A6 #A61D8C #A67B1D #1DA637

split-complementary

#1D48A6 #A6371D #8CA61D

monochromatic

#0B1B3E #143172 #1D48A6 #275FD9 #5B86E2

Accessibility & contrast

On white

8.30

#1D48A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1D48A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D48A6

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D48A6	#FFFFFF	#000000	##FFFFFF
##1D48A6	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A9

Deuteranopia (green-blind)

#0048A4

Tritanopia (blue-blind)

#005F70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d48a6;
/* rgb */ color: rgb(29, 72, 166);
/* oklch */ color: oklch(43.2% 0.159 263.0);

Tailwind

colors: {
  custom: {
    50: '#717ac1',
    500: '#1d48a6',
    950: '#000000',
  },
}

SCSS

$custom: #1d48a6;
$custom-light: #717ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d48a6",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 166
  },
  "hsl": {
    "h": 221.168,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43209,
    "c": 0.15921,
    "h": 263
  },
  "luminance": 0.07649
}

Semantic roles & 50–950 ramp

primary

#1D48A6

secondary

#C6A459

accent

#B53BED

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D48A6

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

Preview Lab → · Contrast checker → · Palette generator →