#1D247F#1D247F

#1D247F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.5% C 0.150 H 271.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1D247F
RGB	rgb(29, 36, 127)
HSL	hsl(236, 63%, 31%)
HSV	hsv(236, 77%, 50%)
CMYK	cmyk(77.2%, 71.7%, 0%, 50.2%)
CIE-LAB	lab(20.26, 30.63, -51.93)
CIE-LCH	lch(20.26, 60.29, 300.54°)
OKLab	oklab(32.52% 0.0034 -0.1503)
OKLCH	oklch(32.52% 0.15 271.3)
XYZ	xyz(4.9670, 3.0547, 20.4024)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D247F #7F781D

analogous

#1D557F #1D247F #471D7F

triadic

#1D247F #7F1D24 #247F1D

tetradic

#1D247F #7F1D55 #7F781D #1D7F47

square

#1D247F #7F1D55 #7F781D #1D7F47

split-complementary

#1D247F #7F471D #557F1D

monochromatic

#06081B #12164D #1D247F #2832B1 #424DD4

Accessibility & contrast

On white

13.04

#1D247F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1D247F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D247F

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D247F	#FFFFFF	#000000	##FFFFFF
##1D247F	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003682

Deuteranopia (green-blind)

#002C7D

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d247f;
/* rgb */ color: rgb(29, 36, 127);
/* oklch */ color: oklch(32.5% 0.150 271.3);

Tailwind

colors: {
  custom: {
    50: '#6a5fa5',
    500: '#1d247f',
    950: '#000000',
  },
}

SCSS

$custom: #1d247f;
$custom-light: #6a5fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d247f",
  "rgb": {
    "r": 29,
    "g": 36,
    "b": 127
  },
  "hsl": {
    "h": 235.714,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3252,
    "c": 0.1503,
    "h": 271.3
  },
  "luminance": 0.03055
}

Semantic roles & 50–950 ramp

primary

#1D247F

secondary

#B2AB45

accent

#DA42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1D247F

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

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