#1F2D9E#1F2D9E

#1F2D9E is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.4% C 0.180 H 269.1°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#1F2D9E
RGB	rgb(31, 45, 158)
HSL	hsl(233, 67%, 37%)
HSV	hsv(233, 80%, 62%)
CMYK	cmyk(80.4%, 71.5%, 0%, 38%)
CIE-LAB	lab(25.67, 36.48, -62.27)
CIE-LCH	lch(25.67, 72.17, 300.36°)
OKLab	oklab(37.41% -0.0027 -0.1804)
OKLCH	oklch(37.41% 0.18 269.1)
XYZ	xyz(7.6729, 4.6358, 32.8315)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2D9E #9E901F

analogous

#1F6D9E #1F2D9E #511F9E

triadic

#1F2D9E #9E1F2D #2D9E1F

tetradic

#1F2D9E #9E1F6D #9E901F #1F9E51

square

#1F2D9E #9E1F6D #9E901F #1F9E51

split-complementary

#1F2D9E #9E511F #6D9E1F

monochromatic

#0B1038 #151E6B #1F2D9E #293CD1 #5968DE

Accessibility & contrast

On white

10.90

#1F2D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1F2D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2D9E

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2D9E	#FFFFFF	#000000	##FFFFFF
##1F2D9E	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A1

Deuteranopia (green-blind)

#00379C

Tritanopia (blue-blind)

#004D62

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1f2d9e;
/* rgb */ color: rgb(31, 45, 158);
/* oklch */ color: oklch(37.4% 0.180 269.1);

Tailwind

colors: {
  custom: {
    50: '#7266bc',
    500: '#1f2d9e',
    950: '#000000',
  },
}

SCSS

$custom: #1f2d9e;
$custom-light: #7266bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2d9e",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 158
  },
  "hsl": {
    "h": 233.386,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.37414,
    "c": 0.18038,
    "h": 269.1
  },
  "luminance": 0.04637
}

Semantic roles & 50–950 ramp

primary

#1F2D9E

secondary

#C2B656

accent

#D73EEA

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1F2D9E

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

Preview Lab → · Contrast checker → · Palette generator →