#1F1360#1F1360

#1F1360 is a dark, vivid blue. Relative luminance 0.016; OKLCH L 26.5% C 0.127 H 280.4°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F1360
RGB	rgb(31, 19, 96)
HSL	hsl(249, 67%, 23%)
HSV	hsv(249, 80%, 38%)
CMYK	cmyk(67.7%, 80.2%, 0%, 62.4%)
CIE-LAB	lab(13.24, 30.36, -43.35)
CIE-LCH	lch(13.24, 52.93, 305.01°)
OKLab	oklab(26.54% 0.0229 -0.1251)
OKLCH	oklch(26.54% 0.127 280.4)
XYZ	xyz(2.9086, 1.6014, 11.2199)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1360 #546013

analogous

#132D60 #1F1360 #461360

triadic

#1F1360 #601F13 #13601F

tetradic

#1F1360 #60132D #546013 #136046

square

#1F1360 #60132D #546013 #136046

split-complementary

#1F1360 #604613 #2D6013

monochromatic

#08051A #0F092D #1F1360 #2F1D93 #4027C6

Accessibility & contrast

On white

15.90

#1F1360 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#1F1360 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1360

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1360	#FFFFFF	#000000	##FFFFFF
##1F1360	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002562

Deuteranopia (green-blind)

#001F5F

Tritanopia (blue-blind)

#002938

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #1f1360;
/* rgb */ color: rgb(31, 19, 96);
/* oklch */ color: oklch(26.5% 0.127 280.4);

Tailwind

colors: {
  custom: {
    50: '#65528e',
    500: '#1f1360',
    950: '#000000',
  },
}

SCSS

$custom: #1f1360;
$custom-light: #65528e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1360",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 96
  },
  "hsl": {
    "h": 249.351,
    "s": 66.957,
    "l": 22.549
  },
  "oklch": {
    "l": 0.26541,
    "c": 0.12719,
    "h": 280.4
  },
  "luminance": 0.01602
}

Semantic roles & 50–950 ramp

primary

#1F1360

secondary

#899837

accent

#EA3ECF

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1F1360

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

Preview Lab → · Contrast checker → · Palette generator →