#1F1EA7#1F1EA7

#1F1EA7 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.3% C 0.206 H 270.2°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#1F1EA7
RGB	rgb(31, 30, 167)
HSL	hsl(240, 70%, 39%)
HSV	hsv(240, 82%, 65%)
CMYK	cmyk(81.4%, 82%, 0%, 34.5%)
CIE-LAB	lab(23.70, 48.02, -70.99)
CIE-LCH	lch(23.70, 85.71, 304.07°)
OKLab	oklab(36.32% 0.0008 -0.2055)
OKLCH	oklch(36.32% 0.206 270.2)
XYZ	xyz(8.0020, 4.0089, 36.9038)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1EA7 #A6A71E

analogous

#1E61A7 #1F1EA7 #631EA7

triadic

#1F1EA7 #A71F1E #1EA71F

tetradic

#1F1EA7 #A71E61 #A6A71E #1EA763

square

#1F1EA7 #A71E61 #A6A71E #1EA763

split-complementary

#1F1EA7 #A7631E #61A71E

monochromatic

#0C0B3F #151573 #1F1EA7 #2B2AD9 #5E5DE2

Accessibility & contrast

On white

11.65

#1F1EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F1EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1EA7

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1EA7	#FFFFFF	#000000	##FFFFFF
##1F1EA7	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAB

Deuteranopia (green-blind)

#0031A5

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f1ea7;
/* rgb */ color: rgb(31, 30, 167);
/* oklch */ color: oklch(36.3% 0.206 270.2);

Tailwind

colors: {
  custom: {
    50: '#765ec3',
    500: '#1f1ea7',
    950: '#000000',
  },
}

SCSS

$custom: #1f1ea7;
$custom-light: #765ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1ea7",
  "rgb": {
    "r": 31,
    "g": 30,
    "b": 167
  },
  "hsl": {
    "h": 240.438,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36316,
    "c": 0.20554,
    "h": 270.2
  },
  "luminance": 0.0401
}

Semantic roles & 50–950 ramp

primary

#1F1EA7

secondary

#C5C65B

accent

#EC3BEB

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0A0413

muted

#7C7982

Preview Lab

Preview with #1F1EA7

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

Preview Lab → · Contrast checker → · Palette generator →