#1F2992#1F2992

#1F2992 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.5% C 0.169 H 270.2°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F2992
RGB	rgb(31, 41, 146)
HSL	hsl(235, 65%, 35%)
HSV	hsv(235, 79%, 57%)
CMYK	cmyk(78.8%, 71.9%, 0%, 42.7%)
CIE-LAB	lab(23.51, 34.63, -58.46)
CIE-LCH	lch(23.51, 67.95, 300.64°)
OKLab	oklab(35.49% 0.0006 -0.1693)
OKLCH	oklch(35.49% 0.169 270.2)
XYZ	xyz(6.5445, 3.9518, 27.6064)
Luminance	0.0395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2992 #92881F

analogous

#1F6292 #1F2992 #4F1F92

triadic

#1F2992 #921F29 #29921F

tetradic

#1F2992 #921F62 #92881F #1F924F

square

#1F2992 #921F62 #92881F #1F924F

split-complementary

#1F2992 #924F1F #62921F

monochromatic

#0A0D2D #141B60 #1F2992 #2A37C4 #515DDA

Accessibility & contrast

On white

11.73

#1F2992 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1F2992 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2992

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2992	#FFFFFF	#000000	##FFFFFF
##1F2992	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E95

Deuteranopia (green-blind)

#003290

Tritanopia (blue-blind)

#00465A

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2992;
/* rgb */ color: rgb(31, 41, 146);
/* oklch */ color: oklch(35.5% 0.169 270.2);

Tailwind

colors: {
  custom: {
    50: '#6f63b3',
    500: '#1f2992',
    950: '#000000',
  },
}

SCSS

$custom: #1f2992;
$custom-light: #6f63b3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2992",
  "rgb": {
    "r": 31,
    "g": 41,
    "b": 146
  },
  "hsl": {
    "h": 234.783,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.35486,
    "c": 0.16927,
    "h": 270.2
  },
  "luminance": 0.03953
}

Semantic roles & 50–950 ramp

primary

#1F2992

secondary

#BDB450

accent

#D940E8

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2992

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

Preview Lab → · Contrast checker → · Palette generator →