#1F2776#1F2776

#1F2776 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.3% C 0.134 H 272.0°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1F2776
RGB	rgb(31, 39, 118)
HSL	hsl(234, 58%, 29%)
HSV	hsv(234, 74%, 46%)
CMYK	cmyk(73.7%, 66.9%, 0%, 53.7%)
CIE-LAB	lab(20.24, 25.46, -46.22)
CIE-LCH	lch(20.24, 52.77, 298.85°)
OKLab	oklab(32.27% 0.0046 -0.1335)
OKLCH	oklch(32.27% 0.134 272)
XYZ	xyz(4.5595, 3.0499, 17.4844)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2776 #766E1F

analogous

#1F5376 #1F2776 #431F76

triadic

#1F2776 #761F27 #27761F

tetradic

#1F2776 #761F53 #766E1F #1F7643

square

#1F2776 #761F53 #766E1F #1F7643

split-complementary

#1F2776 #76431F #53761F

monochromatic

#060818 #121746 #1F2776 #2C37A6 #424FCD

Accessibility & contrast

On white

13.04

#1F2776 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1F2776 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2776

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2776	#FFFFFF	#000000	##FFFFFF
##1F2776	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)

#003579

Deuteranopia (green-blind)

#002D74

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1f2776;
/* rgb */ color: rgb(31, 39, 118);
/* oklch */ color: oklch(32.3% 0.134 272.0);

Tailwind

colors: {
  custom: {
    50: '#68619e',
    500: '#1f2776',
    950: '#000000',
  },
}

SCSS

$custom: #1f2776;
$custom-light: #68619e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2776",
  "rgb": {
    "r": 31,
    "g": 39,
    "b": 118
  },
  "hsl": {
    "h": 234.483,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.32267,
    "c": 0.13359,
    "h": 272
  },
  "luminance": 0.0305
}

Semantic roles & 50–950 ramp

primary

#1F2776

secondary

#AAA147

accent

#D346E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1F2776

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

Preview Lab → · Contrast checker → · Palette generator →