#1F2994#1F2994

#1F2994 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.7% C 0.172 H 270.1°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F2994
RGB	rgb(31, 41, 148)
HSL	hsl(235, 65%, 35%)
HSV	hsv(235, 79%, 58%)
CMYK	cmyk(79.1%, 72.3%, 0%, 42%)
CIE-LAB	lab(23.72, 35.36, -59.35)
CIE-LCH	lch(23.72, 69.09, 300.78°)
OKLab	oklab(35.7% 0.0004 -0.1719)
OKLCH	oklch(35.7% 0.172 270.1)
XYZ	xyz(6.7015, 4.0146, 28.4329)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2994 #948A1F

analogous

#1F6394 #1F2994 #501F94

triadic

#1F2994 #941F29 #29941F

tetradic

#1F2994 #941F63 #948A1F #1F9450

square

#1F2994 #941F63 #948A1F #1F9450

split-complementary

#1F2994 #94501F #63941F

monochromatic

#0A0D2F #141B61 #1F2994 #2A37C7 #535EDB

Accessibility & contrast

On white

11.65

#1F2994 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F2994 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2994

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2994	#FFFFFF	#000000	##FFFFFF
##1F2994	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E97

Deuteranopia (green-blind)

#003392

Tritanopia (blue-blind)

#00475B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2994;
/* rgb */ color: rgb(31, 41, 148);
/* oklch */ color: oklch(35.7% 0.172 270.1);

Tailwind

colors: {
  custom: {
    50: '#7063b5',
    500: '#1f2994',
    950: '#000000',
  },
}

SCSS

$custom: #1f2994;
$custom-light: #7063b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2994",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 148
  },
  "hsl": {
    "h": 234.872,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35698,
    "c": 0.17187,
    "h": 270.1
  },
  "luminance": 0.04015
}

Semantic roles & 50–950 ramp

primary

#1F2994

secondary

#BEB551

accent

#DA3FE8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2994

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

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