#1F2DA6#1F2DA6

#1F2DA6 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.3% C 0.191 H 268.9°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#1F2DA6
RGB	rgb(31, 45, 166)
HSL	hsl(234, 69%, 39%)
HSV	hsv(234, 81%, 65%)
CMYK	cmyk(81.3%, 72.9%, 0%, 34.9%)
CIE-LAB	lab(26.51, 39.36, -65.74)
CIE-LCH	lch(26.51, 76.62, 300.91°)
OKLab	oklab(38.27% -0.0036 -0.1905)
OKLCH	oklch(38.27% 0.191 268.9)
XYZ	xyz(8.3840, 4.9203, 36.5768)
Luminance	0.0492 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2DA6 #A6981F

analogous

#1F70A6 #1F2DA6 #541FA6

triadic

#1F2DA6 #A61F2D #2DA61F

tetradic

#1F2DA6 #A61F70 #A6981F #1FA654

square

#1F2DA6 #A61F70 #A6981F #1FA654

split-complementary

#1F2DA6 #A6541F #70A61F

monochromatic

#0C113F #151F72 #1F2DA6 #2B3DD7 #5E6CE1

Accessibility & contrast

On white

10.58

#1F2DA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F2DA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2DA6

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2DA6	#FFFFFF	#000000	##FFFFFF
##1F2DA6	1.00	10.58	1.98	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AA

Deuteranopia (green-blind)

#0038A4

Tritanopia (blue-blind)

#005066

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #1f2da6;
/* rgb */ color: rgb(31, 45, 166);
/* oklch */ color: oklch(38.3% 0.191 268.9);

Tailwind

colors: {
  custom: {
    50: '#7467c2',
    500: '#1f2da6',
    950: '#000000',
  },
}

SCSS

$custom: #1f2da6;
$custom-light: #7467c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2da6",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 166
  },
  "hsl": {
    "h": 233.778,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.38265,
    "c": 0.19051,
    "h": 268.9
  },
  "luminance": 0.04921
}

Semantic roles & 50–950 ramp

primary

#1F2DA6

secondary

#C5BA5B

accent

#D93CEB

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1F2DA6

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

Preview Lab → · Contrast checker → · Palette generator →