#1D218F#1D218F

#1D218F is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.8% C 0.174 H 270.8°. Best body text is #FFFFFF at 12.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D218F
RGB	rgb(29, 33, 143)
HSL	hsl(238, 66%, 34%)
HSV	hsv(238, 80%, 56%)
CMYK	cmyk(79.7%, 76.9%, 0%, 43.9%)
CIE-LAB	lab(21.32, 38.28, -60.21)
CIE-LCH	lch(21.32, 71.35, 302.44°)
OKLab	oklab(33.8% 0.0024 -0.1744)
OKLCH	oklch(33.8% 0.174 270.8)
XYZ	xyz(6.0068, 3.3314, 26.3077)
Luminance	0.0333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D218F #8F8B1D

analogous

#1D5A8F #1D218F #521D8F

triadic

#1D218F #8F1D21 #218F1D

tetradic

#1D218F #8F1D5A #8F8B1D #1D8F52

square

#1D218F #8F1D5A #8F8B1D #1D8F52

split-complementary

#1D218F #8F521D #5A8F1D

monochromatic

#080A29 #13155C #1D218F #272DC2 #4C51DB

Accessibility & contrast

On white

12.60

#1D218F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1D218F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D218F

12.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D218F	#FFFFFF	#000000	##FFFFFF
##1D218F	1.00	12.60	1.67	12.60
#FFFFFF	12.60	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d218f;
/* rgb */ color: rgb(29, 33, 143);
/* oklch */ color: oklch(33.8% 0.174 270.8);

Tailwind

colors: {
  custom: {
    50: '#6f5eb1',
    500: '#1d218f',
    950: '#000000',
  },
}

SCSS

$custom: #1d218f;
$custom-light: #6f5eb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d218f",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 143
  },
  "hsl": {
    "h": 237.895,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.33797,
    "c": 0.17439,
    "h": 270.8
  },
  "luminance": 0.03332
}

Semantic roles & 50–950 ramp

primary

#1D218F

secondary

#BDB94B

accent

#E33FE9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D218F

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

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