#1D247B#1D247B

#1D247B is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.1% C 0.145 H 271.5°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D247B
RGB	rgb(29, 36, 123)
HSL	hsl(236, 62%, 30%)
HSV	hsv(236, 76%, 48%)
CMYK	cmyk(76.4%, 70.7%, 0%, 51.8%)
CIE-LAB	lab(19.85, 29.14, -50.06)
CIE-LCH	lch(19.85, 57.92, 300.20°)
OKLab	oklab(32.1% 0.0039 -0.1448)
OKLCH	oklch(32.1% 0.145 271.5)
XYZ	xyz(4.7115, 2.9525, 19.0566)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D247B #7B741D

analogous

#1D537B #1D247B #451D7B

triadic

#1D247B #7B1D24 #247B1D

tetradic

#1D247B #7B1D53 #7B741D #1D7B45

square

#1D247B #7B1D53 #7B741D #1D7B45

split-complementary

#1D247B #7B451D #537B1D

monochromatic

#060719 #111649 #1D247B #2932AD #404BD2

Accessibility & contrast

On white

13.20

#1D247B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D247B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D247B

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D247B	#FFFFFF	#000000	##FFFFFF
##1D247B	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#002C79

Tritanopia (blue-blind)

#003C4C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d247b;
/* rgb */ color: rgb(29, 36, 123);
/* oklch */ color: oklch(32.1% 0.145 271.5);

Tailwind

colors: {
  custom: {
    50: '#695fa2',
    500: '#1d247b',
    950: '#000000',
  },
}

SCSS

$custom: #1d247b;
$custom-light: #695fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d247b",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 123
  },
  "hsl": {
    "h": 235.532,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.321,
    "c": 0.14485,
    "h": 271.5
  },
  "luminance": 0.02953
}

Semantic roles & 50–950 ramp

primary

#1D247B

secondary

#AFA745

accent

#D943E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D247B

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

Preview Lab → · Contrast checker → · Palette generator →