#1D217B#1D217B

#1D217B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.148 H 272.2°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D217B
RGB	rgb(29, 33, 123)
HSL	hsl(237, 62%, 30%)
HSV	hsv(237, 76%, 48%)
CMYK	cmyk(76.4%, 73.2%, 0%, 51.8%)
CIE-LAB	lab(19.13, 31.09, -51.24)
CIE-LCH	lch(19.13, 59.94, 301.25°)
OKLab	oklab(31.58% 0.0057 -0.1482)
OKLCH	oklch(31.58% 0.148 272.2)
XYZ	xyz(4.6245, 2.7785, 19.0276)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D217B #7B771D

analogous

#1D507B #1D217B #481D7B

triadic

#1D217B #7B1D21 #217B1D

tetradic

#1D217B #7B1D50 #7B771D #1D7B48

square

#1D217B #7B1D50 #7B771D #1D7B48

split-complementary

#1D217B #7B481D #507B1D

monochromatic

#060719 #111449 #1D217B #292EAD #4047D2

Accessibility & contrast

On white

13.50

#1D217B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D217B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D217B

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D217B	#FFFFFF	#000000	##FFFFFF
##1D217B	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d217b;
/* rgb */ color: rgb(29, 33, 123);
/* oklch */ color: oklch(31.6% 0.148 272.2);

Tailwind

colors: {
  custom: {
    50: '#695da2',
    500: '#1d217b',
    950: '#000000',
  },
}

SCSS

$custom: #1d217b;
$custom-light: #695da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d217b",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 123
  },
  "hsl": {
    "h": 237.447,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31582,
    "c": 0.14836,
    "h": 272.2
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#1D217B

secondary

#AFAA45

accent

#DE43E5

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1D217B

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

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