#1D217F#1D217F

#1D217F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.0% C 0.154 H 271.9°. Best body text is #FFFFFF at 13.32:1 contrast (WCAG AA passes).

Color values

HEX	#1D217F
RGB	rgb(29, 33, 127)
HSL	hsl(238, 63%, 31%)
HSV	hsv(238, 77%, 50%)
CMYK	cmyk(77.2%, 74%, 0%, 50.2%)
CIE-LAB	lab(19.56, 32.56, -53.08)
CIE-LCH	lch(19.56, 62.27, 301.53°)
OKLab	oklab(32.02% 0.0051 -0.1536)
OKLCH	oklch(32.02% 0.154 271.9)
XYZ	xyz(4.8800, 2.8807, 20.3734)
Luminance	0.0288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D217F #7F7B1D

analogous

#1D527F #1D217F #4A1D7F

triadic

#1D217F #7F1D21 #217F1D

tetradic

#1D217F #7F1D52 #7F7B1D #1D7F4A

square

#1D217F #7F1D52 #7F7B1D #1D7F4A

split-complementary

#1D217F #7F4A1D #527F1D

monochromatic

#06071B #12144D #1D217F #282EB1 #4248D4

Accessibility & contrast

On white

13.32

#1D217F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D217F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D217F

13.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D217F	#FFFFFF	#000000	##FFFFFF
##1D217F	1.00	13.32	1.58	13.32
#FFFFFF	13.32	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003482

Deuteranopia (green-blind)

#002B7D

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d217f;
/* rgb */ color: rgb(29, 33, 127);
/* oklch */ color: oklch(32.0% 0.154 271.9);

Tailwind

colors: {
  custom: {
    50: '#6a5da5',
    500: '#1d217f',
    950: '#000000',
  },
}

SCSS

$custom: #1d217f;
$custom-light: #6a5da5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d217f",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 127
  },
  "hsl": {
    "h": 237.551,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.32015,
    "c": 0.1537,
    "h": 271.9
  },
  "luminance": 0.02881
}

Semantic roles & 50–950 ramp

primary

#1D217F

secondary

#B2AE45

accent

#DF42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1D217F

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

Preview Lab → · Contrast checker → · Palette generator →