#1F2380#1F2380

#1F2380 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.6% C 0.152 H 272.3°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F2380
RGB	rgb(31, 35, 128)
HSL	hsl(238, 61%, 31%)
HSV	hsv(238, 76%, 50%)
CMYK	cmyk(75.8%, 72.7%, 0%, 49.8%)
CIE-LAB	lab(20.25, 31.86, -52.58)
CIE-LCH	lch(20.25, 61.48, 301.22°)
OKLab	oklab(32.57% 0.0062 -0.1521)
OKLCH	oklch(32.57% 0.152 272.3)
XYZ	xyz(5.0611, 3.0514, 20.7401)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2380 #807C1F

analogous

#1F5380 #1F2380 #4B1F80

triadic

#1F2380 #801F23 #23801F

tetradic

#1F2380 #801F53 #807C1F #1F804B

square

#1F2380 #801F53 #807C1F #1F804B

split-complementary

#1F2380 #804B1F #53801F

monochromatic

#07081D #13164F #1F2380 #2B30B1 #474DD2

Accessibility & contrast

On white

13.04

#1F2380 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F2380 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2380

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2380	#FFFFFF	#000000	##FFFFFF
##1F2380	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003583

Deuteranopia (green-blind)

#002C7E

Tritanopia (blue-blind)

#003D4F

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2380;
/* rgb */ color: rgb(31, 35, 128);
/* oklch */ color: oklch(32.6% 0.152 272.3);

Tailwind

colors: {
  custom: {
    50: '#6b5ea6',
    500: '#1f2380',
    950: '#000000',
  },
}

SCSS

$custom: #1f2380;
$custom-light: #6b5ea6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2380",
  "rgb": {
    "r": 31,
    "g": 35,
    "b": 128
  },
  "hsl": {
    "h": 237.526,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.32574,
    "c": 0.15224,
    "h": 272.3
  },
  "luminance": 0.03052
}

Semantic roles & 50–950 ramp

primary

#1F2380

secondary

#B3AF48

accent

#DE44E4

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #1F2380

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

Preview Lab → · Contrast checker → · Palette generator →