#1F2DA8#1F2DA8

#1F2DA8 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.5% C 0.193 H 268.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F2DA8
RGB	rgb(31, 45, 168)
HSL	hsl(234, 69%, 39%)
HSV	hsv(234, 82%, 66%)
CMYK	cmyk(81.5%, 73.2%, 0%, 34.1%)
CIE-LAB	lab(26.72, 40.07, -66.60)
CIE-LCH	lch(26.72, 77.73, 301.03°)
OKLab	oklab(38.48% -0.0039 -0.193)
OKLCH	oklch(38.48% 0.193 268.9)
XYZ	xyz(8.5689, 4.9942, 37.5506)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2DA8 #A89A1F

analogous

#1F72A8 #1F2DA8 #561FA8

triadic

#1F2DA8 #A81F2D #2DA81F

tetradic

#1F2DA8 #A81F72 #A89A1F #1FA856

square

#1F2DA8 #A81F72 #A89A1F #1FA856

split-complementary

#1F2DA8 #A8561F #72A81F

monochromatic

#0C1141 #151F74 #1F2DA8 #2C3ED8 #606DE2

Accessibility & contrast

On white

10.51

#1F2DA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#1F2DA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2DA8

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2DA8	#FFFFFF	#000000	##FFFFFF
##1F2DA8	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046AC

Deuteranopia (green-blind)

#0038A6

Tritanopia (blue-blind)

#005068

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f2da8;
/* rgb */ color: rgb(31, 45, 168);
/* oklch */ color: oklch(38.5% 0.193 268.9);

Tailwind

colors: {
  custom: {
    50: '#7567c3',
    500: '#1f2da8',
    950: '#000000',
  },
}

SCSS

$custom: #1f2da8;
$custom-light: #7567c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2da8",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 168
  },
  "hsl": {
    "h": 233.869,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38479,
    "c": 0.19302,
    "h": 268.9
  },
  "luminance": 0.04995
}

Semantic roles & 50–950 ramp

primary

#1F2DA8

secondary

#C6BB5D

accent

#DA3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2DA8

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

Preview Lab → · Contrast checker → · Palette generator →