#1F2EA1#1F2EA1

#1F2EA1 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.9% C 0.183 H 268.9°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F2EA1
RGB	rgb(31, 46, 161)
HSL	hsl(233, 68%, 38%)
HSV	hsv(233, 81%, 63%)
CMYK	cmyk(80.7%, 71.4%, 0%, 36.9%)
CIE-LAB	lab(26.21, 36.94, -63.21)
CIE-LCH	lch(26.21, 73.21, 300.30°)
OKLab	oklab(37.9% -0.0034 -0.1831)
OKLCH	oklch(37.9% 0.183 268.9)
XYZ	xyz(7.9729, 4.8176, 34.2210)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2EA1 #A1921F

analogous

#1F6FA1 #1F2EA1 #511FA1

triadic

#1F2EA1 #A11F2E #2EA11F

tetradic

#1F2EA1 #A11F6F #A1921F #1FA151

square

#1F2EA1 #A11F6F #A1921F #1FA151

split-complementary

#1F2EA1 #A1511F #6FA11F

monochromatic

#0B113A #151F6E #1F2EA1 #293DD4 #5B6ADF

Accessibility & contrast

On white

10.69

#1F2EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1F2EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2EA1

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2EA1	#FFFFFF	#000000	##FFFFFF
##1F2EA1	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A4

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#004E64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ea1;
/* rgb */ color: rgb(31, 46, 161);
/* oklch */ color: oklch(37.9% 0.183 268.9);

Tailwind

colors: {
  custom: {
    50: '#7367be',
    500: '#1f2ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ea1;
$custom-light: #7367be;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ea1",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 161
  },
  "hsl": {
    "h": 233.077,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37895,
    "c": 0.18313,
    "h": 268.9
  },
  "luminance": 0.04819
}

Semantic roles & 50–950 ramp

primary

#1F2EA1

secondary

#C4B758

accent

#D73DEB

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1F2EA1

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

Preview Lab → · Contrast checker → · Palette generator →