#1F2D8E#1F2D8E

#1F2D8E is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.8% C 0.159 H 269.6°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D8E
RGB	rgb(31, 45, 142)
HSL	hsl(232, 64%, 34%)
HSV	hsv(232, 78%, 56%)
CMYK	cmyk(78.2%, 68.3%, 0%, 44.3%)
CIE-LAB	lab(24.07, 30.55, -55.07)
CIE-LCH	lch(24.07, 62.98, 299.02°)
OKLab	oklab(35.77% -0.0011 -0.1594)
OKLCH	oklch(35.77% 0.159 269.6)
XYZ	xyz(6.3843, 4.1204, 26.0448)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D8E #8E801F

analogous

#1F658E #1F2D8E #491F8E

triadic

#1F2D8E #8E1F2D #2D8E1F

tetradic

#1F2D8E #8E1F65 #8E801F #1F8E49

square

#1F2D8E #8E1F65 #8E801F #1F8E49

split-complementary

#1F2D8E #8E491F #658E1F

monochromatic

#090D2A #141D5C #1F2D8E #2A3DC0 #4F60D9

Accessibility & contrast

On white

11.51

#1F2D8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F2D8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D8E

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D8E	#FFFFFF	#000000	##FFFFFF
##1F2D8E	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F91

Deuteranopia (green-blind)

#00348C

Tritanopia (blue-blind)

#004759

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f2d8e;
/* rgb */ color: rgb(31, 45, 142);
/* oklch */ color: oklch(35.8% 0.159 269.6);

Tailwind

colors: {
  custom: {
    50: '#6e66b0',
    500: '#1f2d8e',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d8e;
$custom-light: #6e66b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d8e",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 142
  },
  "hsl": {
    "h": 232.432,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.35765,
    "c": 0.15937,
    "h": 269.6
  },
  "luminance": 0.04121
}

Semantic roles & 50–950 ramp

primary

#1F2D8E

secondary

#BBAE4D

accent

#D241E7

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #1F2D8E

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

Preview Lab → · Contrast checker → · Palette generator →