#1F2D97#1F2D97

#1F2D97 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.7% C 0.171 H 269.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D97
RGB	rgb(31, 45, 151)
HSL	hsl(233, 66%, 36%)
HSV	hsv(233, 79%, 59%)
CMYK	cmyk(79.5%, 70.2%, 0%, 40.8%)
CIE-LAB	lab(24.96, 33.91, -59.16)
CIE-LCH	lch(24.96, 68.19, 299.82°)
OKLab	oklab(36.68% -0.0019 -0.1713)
OKLCH	oklch(36.68% 0.171 269.4)
XYZ	xyz(7.0875, 4.4016, 29.7482)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D97 #97891F

analogous

#1F6997 #1F2D97 #4D1F97

triadic

#1F2D97 #971F2D #2D971F

tetradic

#1F2D97 #971F69 #97891F #1F974D

square

#1F2D97 #971F69 #97891F #1F974D

split-complementary

#1F2D97 #974D1F #69971F

monochromatic

#0A0F31 #151E64 #1F2D97 #293CCA #5464DC

Accessibility & contrast

On white

11.17

#1F2D97 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#1F2D97 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D97

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D97	#FFFFFF	#000000	##FFFFFF
##1F2D97	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00419A

Deuteranopia (green-blind)

#003595

Tritanopia (blue-blind)

#004A5E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1f2d97;
/* rgb */ color: rgb(31, 45, 151);
/* oklch */ color: oklch(36.7% 0.171 269.4);

Tailwind

colors: {
  custom: {
    50: '#7066b7',
    500: '#1f2d97',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d97;
$custom-light: #7066b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d97",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 151
  },
  "hsl": {
    "h": 233,
    "s": 65.934,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36684,
    "c": 0.17132,
    "h": 269.4
  },
  "luminance": 0.04402
}

Semantic roles & 50–950 ramp

primary

#1F2D97

secondary

#BFB352

accent

#D53FE9

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1F2D97

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

Preview Lab → · Contrast checker → · Palette generator →