#1F1075#1F1075

#1F1075 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.6% C 0.157 H 276.6°. Best body text is #FFFFFF at 15.12:1 contrast (WCAG AA passes).

Color values

HEX	#1F1075
RGB	rgb(31, 16, 117)
HSL	hsl(249, 76%, 26%)
HSV	hsv(249, 86%, 46%)
CMYK	cmyk(73.5%, 86.3%, 0%, 54.1%)
CIE-LAB	lab(15.20, 38.85, -53.89)
CIE-LCH	lch(15.20, 66.43, 305.79°)
OKLab	oklab(28.64% 0.0181 -0.1557)
OKLCH	oklch(28.64% 0.157 276.6)
XYZ	xyz(3.9602, 1.9459, 16.9931)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1075 #667510

analogous

#103375 #1F1075 #511075

triadic

#1F1075 #751F10 #10751F

tetradic

#1F1075 #751033 #667510 #107551

square

#1F1075 #751033 #667510 #107551

split-complementary

#1F1075 #755110 #337510

monochromatic

#07041B #11093F #1F1075 #2D17AB #3C1FE0

Accessibility & contrast

On white

15.12

#1F1075 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1F1075 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1075

15.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1075	#FFFFFF	#000000	##FFFFFF
##1F1075	1.00	15.12	1.39	15.12
#FFFFFF	15.12	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A78

Deuteranopia (green-blind)

#002273

Tritanopia (blue-blind)

#003044

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1f1075;
/* rgb */ color: rgb(31, 16, 117);
/* oklch */ color: oklch(28.6% 0.157 276.6);

Tailwind

colors: {
  custom: {
    50: '#6a529e',
    500: '#1f1075',
    950: '#000000',
  },
}

SCSS

$custom: #1f1075;
$custom-light: #6a529e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1075",
  "rgb": {
    "r": 31,
    "g": 16,
    "b": 117
  },
  "hsl": {
    "h": 248.911,
    "s": 75.94,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28644,
    "c": 0.15676,
    "h": 276.6
  },
  "luminance": 0.01946
}

Semantic roles & 50–950 ramp

primary

#1F1075

secondary

#9AAC35

accent

#F335D6

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#08020E

muted

#7A787E

Preview Lab

Preview with #1F1075

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

Preview Lab → · Contrast checker → · Palette generator →