#1F2894#1F2894

#1F2894 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.5% C 0.173 H 270.3°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#1F2894
RGB	rgb(31, 40, 148)
HSL	hsl(235, 65%, 35%)
HSV	hsv(235, 79%, 58%)
CMYK	cmyk(79.1%, 73%, 0%, 42%)
CIE-LAB	lab(23.49, 35.98, -59.73)
CIE-LCH	lch(23.49, 69.73, 301.07°)
OKLab	oklab(35.53% 0.0008 -0.1729)
OKLCH	oklch(35.53% 0.173 270.3)
XYZ	xyz(6.6673, 3.9463, 28.4215)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2894 #948B1F

analogous

#1F6294 #1F2894 #511F94

triadic

#1F2894 #941F28 #28941F

tetradic

#1F2894 #941F62 #948B1F #1F9451

square

#1F2894 #941F62 #948B1F #1F9451

split-complementary

#1F2894 #94511F #62941F

monochromatic

#0A0D2F #141A61 #1F2894 #2A36C7 #535DDB

Accessibility & contrast

On white

11.74

#1F2894 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F2894 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2894

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2894	#FFFFFF	#000000	##FFFFFF
##1F2894	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E97

Deuteranopia (green-blind)

#003292

Tritanopia (blue-blind)

#00475B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2894;
/* rgb */ color: rgb(31, 40, 148);
/* oklch */ color: oklch(35.5% 0.173 270.3);

Tailwind

colors: {
  custom: {
    50: '#7063b5',
    500: '#1f2894',
    950: '#000000',
  },
}

SCSS

$custom: #1f2894;
$custom-light: #7063b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2894",
  "rgb": {
    "r": 31,
    "g": 40,
    "b": 148
  },
  "hsl": {
    "h": 235.385,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35535,
    "c": 0.17295,
    "h": 270.3
  },
  "luminance": 0.03947
}

Semantic roles & 50–950 ramp

primary

#1F2894

secondary

#BEB651

accent

#DB3FE8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2894

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

Preview Lab → · Contrast checker → · Palette generator →