#1D217E#1D217E

#1D217E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.9% C 0.152 H 272.0°. Best body text is #FFFFFF at 13.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D217E
RGB	rgb(29, 33, 126)
HSL	hsl(238, 63%, 30%)
HSV	hsv(238, 77%, 49%)
CMYK	cmyk(77%, 73.8%, 0%, 50.6%)
CIE-LAB	lab(19.45, 32.20, -52.62)
CIE-LCH	lch(19.45, 61.69, 301.46°)
OKLab	oklab(31.91% 0.0052 -0.1523)
OKLCH	oklch(31.91% 0.152 272)
XYZ	xyz(4.8152, 2.8548, 20.0319)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D217E #7E7A1D

analogous

#1D517E #1D217E #491D7E

triadic

#1D217E #7E1D21 #217E1D

tetradic

#1D217E #7E1D51 #7E7A1D #1D7E49

square

#1D217E #7E1D51 #7E7A1D #1D7E49

split-complementary

#1D217E #7E491D #517E1D

monochromatic

#06071B #12144C #1D217E #282EB0 #4248D3

Accessibility & contrast

On white

13.37

#1D217E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1D217E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D217E

13.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D217E	#FFFFFF	#000000	##FFFFFF
##1D217E	1.00	13.37	1.57	13.37
#FFFFFF	13.37	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d217e;
/* rgb */ color: rgb(29, 33, 126);
/* oklch */ color: oklch(31.9% 0.152 272.0);

Tailwind

colors: {
  custom: {
    50: '#6a5da4',
    500: '#1d217e',
    950: '#000000',
  },
}

SCSS

$custom: #1d217e;
$custom-light: #6a5da4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d217e",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 126
  },
  "hsl": {
    "h": 237.526,
    "s": 62.581,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31906,
    "c": 0.15238,
    "h": 272
  },
  "luminance": 0.02855
}

Semantic roles & 50–950 ramp

primary

#1D217E

secondary

#B1AD45

accent

#DF42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1D217E

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

Preview Lab → · Contrast checker → · Palette generator →