#1D248A#1D248A

#1D248A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.165 H 270.7°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX	#1D248A
RGB	rgb(29, 36, 138)
HSL	hsl(236, 65%, 33%)
HSV	hsv(236, 79%, 54%)
CMYK	cmyk(79%, 73.9%, 0%, 45.9%)
CIE-LAB	lab(21.42, 34.68, -56.94)
CIE-LCH	lch(21.42, 66.67, 301.35°)
OKLab	oklab(33.7% 0.0019 -0.1649)
OKLCH	oklch(33.7% 0.165 270.7)
XYZ	xyz(5.7235, 3.3573, 24.3862)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D248A #8A831D

analogous

#1D5A8A #1D248A #4D1D8A

triadic

#1D248A #8A1D24 #248A1D

tetradic

#1D248A #8A1D5A #8A831D #1D8A4D

square

#1D248A #8A1D5A #8A831D #1D8A4D

split-complementary

#1D248A #8A4D1D #5A8A1D

monochromatic

#080A25 #121757 #1D248A #2831BD #4952D9

Accessibility & contrast

On white

12.56

#1D248A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D248A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D248A

12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D248A	#FFFFFF	#000000	##FFFFFF
##1D248A	1.00	12.56	1.67	12.56
#FFFFFF	12.56	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398D

Deuteranopia (green-blind)

#002E88

Tritanopia (blue-blind)

#004154

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d248a;
/* rgb */ color: rgb(29, 36, 138);
/* oklch */ color: oklch(33.7% 0.165 270.7);

Tailwind

colors: {
  custom: {
    50: '#6d5fad',
    500: '#1d248a',
    950: '#000000',
  },
}

SCSS

$custom: #1d248a;
$custom-light: #6d5fad;
$custom-dark: #000000;

JSON

{
  "hex": "#1d248a",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 138
  },
  "hsl": {
    "h": 236.147,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.33702,
    "c": 0.16487,
    "h": 270.7
  },
  "luminance": 0.03358
}

Semantic roles & 50–950 ramp

primary

#1D248A

secondary

#BBB348

accent

#DD40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D248A

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

Preview Lab → · Contrast checker → · Palette generator →