#1F116C#1F116C

#1F116C is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.145 H 278.2°. Best body text is #FFFFFF at 15.50:1 contrast (WCAG AA passes).

Color values

HEX	#1F116C
RGB	rgb(31, 17, 108)
HSL	hsl(249, 73%, 25%)
HSV	hsv(249, 84%, 42%)
CMYK	cmyk(71.3%, 84.3%, 0%, 57.6%)
CIE-LAB	lab(14.26, 35.47, -49.60)
CIE-LCH	lch(14.26, 60.98, 305.57°)
OKLab	oklab(27.67% 0.0206 -0.1433)
OKLCH	oklch(27.67% 0.145 278.2)
XYZ	xyz(3.4714, 1.7746, 14.3440)
Luminance	0.0177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F116C #5E6C11

analogous

#11316C #1F116C #4D116C

triadic

#1F116C #6C1F11 #116C1F

tetradic

#1F116C #6C1131 #5E6C11 #116C4D

square

#1F116C #6C1131 #5E6C11 #116C4D

split-complementary

#1F116C #6C4D11 #316C11

monochromatic

#08041A #100937 #1F116C #2E19A1 #3D22D6

Accessibility & contrast

On white

15.50

#1F116C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1F116C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F116C

15.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F116C	#FFFFFF	#000000	##FFFFFF
##1F116C	1.00	15.50	1.36	15.50
#FFFFFF	15.50	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00286E

Deuteranopia (green-blind)

#00206A

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1f116c;
/* rgb */ color: rgb(31, 17, 108);
/* oklch */ color: oklch(27.7% 0.145 278.2);

Tailwind

colors: {
  custom: {
    50: '#685297',
    500: '#1f116c',
    950: '#000000',
  },
}

SCSS

$custom: #1f116c;
$custom-light: #685297;
$custom-dark: #000000;

JSON

{
  "hex": "#1f116c",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 108
  },
  "hsl": {
    "h": 249.231,
    "s": 72.8,
    "l": 24.51
  },
  "oklch": {
    "l": 0.27668,
    "c": 0.14475,
    "h": 278.2
  },
  "luminance": 0.01775
}

Semantic roles & 50–950 ramp

primary

#1F116C

secondary

#93A435

accent

#EF38D3

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1F116C

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

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