#1F2594#1F2594

#1F2594 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.1% C 0.176 H 270.7°. Best body text is #FFFFFF at 12.00:1 contrast (WCAG AA passes).

Color values

HEX	#1F2594
RGB	rgb(31, 37, 148)
HSL	hsl(237, 65%, 35%)
HSV	hsv(237, 79%, 58%)
CMYK	cmyk(79.1%, 75%, 0%, 42%)
CIE-LAB	lab(22.83, 37.82, -60.82)
CIE-LCH	lch(22.83, 71.61, 301.87°)
OKLab	oklab(35.06% 0.0022 -0.1761)
OKLCH	oklch(35.06% 0.176 270.7)
XYZ	xyz(6.5701, 3.7518, 28.3891)
Luminance	0.0375 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2594 #948E1F

analogous

#1F6094 #1F2594 #531F94

triadic

#1F2594 #941F25 #25941F

tetradic

#1F2594 #941F60 #948E1F #1F9453

square

#1F2594 #941F60 #948E1F #1F9453

split-complementary

#1F2594 #94531F #60941F

monochromatic

#0A0C2F #141861 #1F2594 #2A32C7 #535ADB

Accessibility & contrast

On white

12.00

#1F2594 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#1F2594 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2594

12.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2594	#FFFFFF	#000000	##FFFFFF
##1F2594	1.00	12.00	1.75	12.00
#FFFFFF	12.00	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C97

Deuteranopia (green-blind)

#003192

Tritanopia (blue-blind)

#00455A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1f2594;
/* rgb */ color: rgb(31, 37, 148);
/* oklch */ color: oklch(35.1% 0.176 270.7);

Tailwind

colors: {
  custom: {
    50: '#7061b5',
    500: '#1f2594',
    950: '#000000',
  },
}

SCSS

$custom: #1f2594;
$custom-light: #7061b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2594",
  "rgb": {
    "r": 31,
    "g": 37,
    "b": 148
  },
  "hsl": {
    "h": 236.923,
    "s": 65.363,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35063,
    "c": 0.17612,
    "h": 270.7
  },
  "luminance": 0.03753
}

Semantic roles & 50–950 ramp

primary

#1F2594

secondary

#BEB951

accent

#E03FE8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2594

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

Preview Lab → · Contrast checker → · Palette generator →