#1F2E9F#1F2E9F

#1F2E9F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 37.7% C 0.181 H 269.0°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E9F
RGB	rgb(31, 46, 159)
HSL	hsl(233, 67%, 37%)
HSV	hsv(233, 81%, 62%)
CMYK	cmyk(80.5%, 71.1%, 0%, 37.6%)
CIE-LAB	lab(26.00, 36.21, -62.33)
CIE-LCH	lch(26.00, 72.09, 300.16°)
OKLab	oklab(37.69% -0.0032 -0.1805)
OKLCH	oklch(37.69% 0.181 269)
XYZ	xyz(7.7979, 4.7476, 33.2996)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E9F #9F901F

analogous

#1F6E9F #1F2E9F #501F9F

triadic

#1F2E9F #9F1F2E #2E9F1F

tetradic

#1F2E9F #9F1F6E #9F901F #1F9F50

square

#1F2E9F #9F1F6E #9F901F #1F9F50

split-complementary

#1F2E9F #9F501F #6E9F1F

monochromatic

#0B1039 #151F6C #1F2E9F #293DD2 #5A69DF

Accessibility & contrast

On white

10.77

#1F2E9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1F2E9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E9F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E9F	#FFFFFF	#000000	##FFFFFF
##1F2E9F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044A2

Deuteranopia (green-blind)

#00379D

Tritanopia (blue-blind)

#004E63

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2e9f;
/* rgb */ color: rgb(31, 46, 159);
/* oklch */ color: oklch(37.7% 0.181 269.0);

Tailwind

colors: {
  custom: {
    50: '#7267bd',
    500: '#1f2e9f',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e9f;
$custom-light: #7267bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e9f",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 159
  },
  "hsl": {
    "h": 232.969,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37685,
    "c": 0.18057,
    "h": 269
  },
  "luminance": 0.04748
}

Semantic roles & 50–950 ramp

primary

#1F2E9F

secondary

#C3B657

accent

#D63EEA

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1F2E9F

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

Preview Lab → · Contrast checker → · Palette generator →