#1F2DA7#1F2DA7

#1F2DA7 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.4% C 0.192 H 268.9°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F2DA7
RGB	rgb(31, 45, 167)
HSL	hsl(234, 69%, 39%)
HSV	hsv(234, 81%, 65%)
CMYK	cmyk(81.4%, 73.1%, 0%, 34.5%)
CIE-LAB	lab(26.61, 39.71, -66.17)
CIE-LCH	lch(26.61, 77.18, 300.97°)
OKLab	oklab(38.37% -0.0037 -0.1917)
OKLCH	oklch(38.37% 0.192 268.9)
XYZ	xyz(8.4761, 4.9571, 37.0618)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2DA7 #A7991F

analogous

#1F71A7 #1F2DA7 #551FA7

triadic

#1F2DA7 #A71F2D #2DA71F

tetradic

#1F2DA7 #A71F71 #A7991F #1FA755

square

#1F2DA7 #A71F71 #A7991F #1FA755

split-complementary

#1F2DA7 #A7551F #71A71F

monochromatic

#0C1140 #151F73 #1F2DA7 #2B3DD8 #5F6CE1

Accessibility & contrast

On white

10.54

#1F2DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#1F2DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2DA7

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2DA7	#FFFFFF	#000000	##FFFFFF
##1F2DA7	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AB

Deuteranopia (green-blind)

#0038A5

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f2da7;
/* rgb */ color: rgb(31, 45, 167);
/* oklch */ color: oklch(38.4% 0.192 268.9);

Tailwind

colors: {
  custom: {
    50: '#7567c2',
    500: '#1f2da7',
    950: '#000000',
  },
}

SCSS

$custom: #1f2da7;
$custom-light: #7567c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2da7",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 167
  },
  "hsl": {
    "h": 233.824,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38372,
    "c": 0.19177,
    "h": 268.9
  },
  "luminance": 0.04958
}

Semantic roles & 50–950 ramp

primary

#1F2DA7

secondary

#C6BB5C

accent

#D93CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2DA7

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

Preview Lab → · Contrast checker → · Palette generator →