#1F2F97#1F2F97

#1F2F97 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.169 H 269.0°. Best body text is #FFFFFF at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#1F2F97
RGB	rgb(31, 47, 151)
HSL	hsl(232, 66%, 36%)
HSV	hsv(232, 79%, 59%)
CMYK	cmyk(79.5%, 68.9%, 0%, 40.8%)
CIE-LAB	lab(25.44, 32.62, -58.37)
CIE-LCH	lch(25.44, 66.87, 299.20°)
OKLab	oklab(37.03% -0.003 -0.169)
OKLCH	oklch(37.03% 0.169 269)
XYZ	xyz(7.1656, 4.5579, 29.7743)
Luminance	0.0456 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2F97 #97871F

analogous

#1F6B97 #1F2F97 #4B1F97

triadic

#1F2F97 #971F2F #2F971F

tetradic

#1F2F97 #971F6B #97871F #1F974B

square

#1F2F97 #971F6B #97871F #1F974B

split-complementary

#1F2F97 #974B1F #6B971F

monochromatic

#0A0F31 #151F64 #1F2F97 #293FCA #5466DC

Accessibility & contrast

On white

10.98

#1F2F97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#1F2F97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2F97

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2F97	#FFFFFF	#000000	##FFFFFF
##1F2F97	1.00	10.98	1.91	10.98
#FFFFFF	10.98	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429A

Deuteranopia (green-blind)

#003795

Tritanopia (blue-blind)

#004B5F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1f2f97;
/* rgb */ color: rgb(31, 47, 151);
/* oklch */ color: oklch(37.0% 0.169 269.0);

Tailwind

colors: {
  custom: {
    50: '#7067b7',
    500: '#1f2f97',
    950: '#000000',
  },
}

SCSS

$custom: #1f2f97;
$custom-light: #7067b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2f97",
  "rgb": {
    "r": 31,
    "g": 47,
    "b": 151
  },
  "hsl": {
    "h": 232,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37031,
    "c": 0.16903,
    "h": 269
  },
  "luminance": 0.04559
}

Semantic roles & 50–950 ramp

primary

#1F2F97

secondary

#BFB152

accent

#D23FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F2F97

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

Preview Lab → · Contrast checker → · Palette generator →