#1F3294#1F3294

#1F3294 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.3% C 0.161 H 268.4°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#1F3294
RGB	rgb(31, 50, 148)
HSL	hsl(230, 65%, 35%)
HSV	hsv(230, 79%, 58%)
CMYK	cmyk(79.1%, 66.2%, 0%, 42%)
CIE-LAB	lab(25.89, 29.51, -55.78)
CIE-LCH	lch(25.89, 63.10, 297.88°)
OKLab	oklab(37.28% -0.0044 -0.1614)
OKLCH	oklch(37.28% 0.161 268.4)
XYZ	xyz(7.0491, 4.7098, 28.5488)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3294 #94811F

analogous

#1F6D94 #1F3294 #461F94

triadic

#1F3294 #941F32 #32941F

tetradic

#1F3294 #941F6D #94811F #1F9446

square

#1F3294 #941F6D #94811F #1F9446

split-complementary

#1F3294 #94461F #6D941F

monochromatic

#0A102F #142161 #1F3294 #2A43C7 #5369DB

Accessibility & contrast

On white

10.81

#1F3294 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1F3294 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3294

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3294	#FFFFFF	#000000	##FFFFFF
##1F3294	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004397

Deuteranopia (green-blind)

#003892

Tritanopia (blue-blind)

#004C5E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1f3294;
/* rgb */ color: rgb(31, 50, 148);
/* oklch */ color: oklch(37.3% 0.161 268.4);

Tailwind

colors: {
  custom: {
    50: '#6f69b4',
    500: '#1f3294',
    950: '#000000',
  },
}

SCSS

$custom: #1f3294;
$custom-light: #6f69b4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3294",
  "rgb": {
    "r": 31,
    "g": 50,
    "b": 148
  },
  "hsl": {
    "h": 230.256,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37276,
    "c": 0.16147,
    "h": 268.4
  },
  "luminance": 0.04711
}

Semantic roles & 50–950 ramp

primary

#1F3294

secondary

#BEAC51

accent

#CD3FE8

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F3294

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

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