#1D248F#1D248F

#1D248F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.3% C 0.171 H 270.4°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#1D248F
RGB	rgb(29, 36, 143)
HSL	hsl(236, 66%, 34%)
HSV	hsv(236, 80%, 56%)
CMYK	cmyk(79.7%, 74.8%, 0%, 43.9%)
CIE-LAB	lab(21.96, 36.48, -59.16)
CIE-LCH	lch(21.96, 69.50, 301.66°)
OKLab	oklab(34.25% 0.0012 -0.1713)
OKLCH	oklch(34.25% 0.171 270.4)
XYZ	xyz(6.0938, 3.5055, 26.3367)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D248F #8F881D

analogous

#1D5D8F #1D248F #4F1D8F

triadic

#1D248F #8F1D24 #248F1D

tetradic

#1D248F #8F1D5D #8F881D #1D8F4F

square

#1D248F #8F1D5D #8F881D #1D8F4F

split-complementary

#1D248F #8F4F1D #5D8F1D

monochromatic

#080A29 #13175C #1D248F #2731C2 #4C55DB

Accessibility & contrast

On white

12.34

#1D248F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D248F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D248F

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D248F	#FFFFFF	#000000	##FFFFFF
##1D248F	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A92

Deuteranopia (green-blind)

#002F8D

Tritanopia (blue-blind)

#004357

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d248f;
/* rgb */ color: rgb(29, 36, 143);
/* oklch */ color: oklch(34.3% 0.171 270.4);

Tailwind

colors: {
  custom: {
    50: '#6e60b1',
    500: '#1d248f',
    950: '#000000',
  },
}

SCSS

$custom: #1d248f;
$custom-light: #6e60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d248f",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 143
  },
  "hsl": {
    "h": 236.316,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.34252,
    "c": 0.17132,
    "h": 270.4
  },
  "luminance": 0.03506
}

Semantic roles & 50–950 ramp

primary

#1D248F

secondary

#BDB64B

accent

#DF3FE9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1D248F

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

Preview Lab → · Contrast checker → · Palette generator →