#1F2EA0#1F2EA0

#1F2EA0 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.182 H 268.9°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F2EA0
RGB	rgb(31, 46, 160)
HSL	hsl(233, 68%, 37%)
HSV	hsv(233, 81%, 63%)
CMYK	cmyk(80.6%, 71.2%, 0%, 37.3%)
CIE-LAB	lab(26.11, 36.58, -62.77)
CIE-LCH	lch(26.11, 72.65, 300.23°)
OKLab	oklab(37.79% -0.0033 -0.1818)
OKLCH	oklch(37.79% 0.182 268.9)
XYZ	xyz(7.8850, 4.7825, 33.7584)
Luminance	0.0478 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2EA0 #A0911F

analogous

#1F6FA0 #1F2EA0 #501FA0

triadic

#1F2EA0 #A01F2E #2EA01F

tetradic

#1F2EA0 #A01F6F #A0911F #1FA050

square

#1F2EA0 #A01F6F #A0911F #1FA050

split-complementary

#1F2EA0 #A0501F #6FA01F

monochromatic

#0B1139 #151F6D #1F2EA0 #293DD3 #5A6ADF

Accessibility & contrast

On white

10.73

#1F2EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1F2EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2EA0

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2EA0	#FFFFFF	#000000	##FFFFFF
##1F2EA0	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A3

Deuteranopia (green-blind)

#00389E

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ea0;
/* rgb */ color: rgb(31, 46, 160);
/* oklch */ color: oklch(37.8% 0.182 268.9);

Tailwind

colors: {
  custom: {
    50: '#7367bd',
    500: '#1f2ea0',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ea0;
$custom-light: #7367bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ea0",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 160
  },
  "hsl": {
    "h": 233.023,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3779,
    "c": 0.18185,
    "h": 268.9
  },
  "luminance": 0.04783
}

Semantic roles & 50–950 ramp

primary

#1F2EA0

secondary

#C3B758

accent

#D63DEA

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1F2EA0

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

Preview Lab → · Contrast checker → · Palette generator →