#1F1D85#1F1D85

#1F1D85 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.2% C 0.165 H 272.9°. Best body text is #FFFFFF at 13.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F1D85
RGB	rgb(31, 29, 133)
HSL	hsl(241, 64%, 32%)
HSV	hsv(241, 78%, 52%)
CMYK	cmyk(76.7%, 78.2%, 0%, 47.8%)
CIE-LAB	lab(19.49, 37.30, -56.99)
CIE-LCH	lch(19.49, 68.11, 303.20°)
OKLab	oklab(32.19% 0.0084 -0.1649)
OKLCH	oklch(32.19% 0.165 272.9)
XYZ	xyz(5.2367, 2.8629, 22.4624)
Luminance	0.0286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1D85 #83851D

analogous

#1D4F85 #1F1D85 #531D85

triadic

#1F1D85 #851F1D #1D851F

tetradic

#1F1D85 #851D4F #83851D #1D8553

square

#1F1D85 #851D4F #83851D #1D8553

split-complementary

#1F1D85 #85531D #4F851D

monochromatic

#080721 #131253 #1F1D85 #2B28B7 #4946D7

Accessibility & contrast

On white

13.35

#1F1D85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1F1D85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1D85

13.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1D85	#FFFFFF	#000000	##FFFFFF
##1F1D85	1.00	13.35	1.57	13.35
#FFFFFF	13.35	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003488

Deuteranopia (green-blind)

#002A83

Tritanopia (blue-blind)

#003C50

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1f1d85;
/* rgb */ color: rgb(31, 29, 133);
/* oklch */ color: oklch(32.2% 0.165 272.9);

Tailwind

colors: {
  custom: {
    50: '#6d5baa',
    500: '#1f1d85',
    950: '#000000',
  },
}

SCSS

$custom: #1f1d85;
$custom-light: #6d5baa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1d85",
  "rgb": {
    "r": 31,
    "g": 29,
    "b": 133
  },
  "hsl": {
    "h": 241.154,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32194,
    "c": 0.16514,
    "h": 272.9
  },
  "luminance": 0.02863
}

Semantic roles & 50–950 ramp

primary

#1F1D85

secondary

#B6B846

accent

#E741E4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1D85

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

Preview Lab → · Contrast checker → · Palette generator →