#1F2DA5#1F2DA5

#1F2DA5 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.2% C 0.189 H 268.9°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#1F2DA5
RGB	rgb(31, 45, 165)
HSL	hsl(234, 68%, 38%)
HSV	hsv(234, 81%, 65%)
CMYK	cmyk(81.2%, 72.7%, 0%, 35.3%)
CIE-LAB	lab(26.40, 39.00, -65.31)
CIE-LCH	lch(26.40, 76.07, 300.84°)
OKLab	oklab(38.16% -0.0035 -0.1892)
OKLCH	oklch(38.16% 0.189 268.9)
XYZ	xyz(8.2927, 4.8837, 36.0956)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2DA5 #A5971F

analogous

#1F70A5 #1F2DA5 #541FA5

triadic

#1F2DA5 #A51F2D #2DA51F

tetradic

#1F2DA5 #A51F70 #A5971F #1FA554

square

#1F2DA5 #A51F70 #A5971F #1FA554

split-complementary

#1F2DA5 #A5541F #70A51F

monochromatic

#0C113E #151F71 #1F2DA5 #2A3CD7 #5E6BE1

Accessibility & contrast

On white

10.62

#1F2DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#1F2DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2DA5

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2DA5	#FFFFFF	#000000	##FFFFFF
##1F2DA5	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A9

Deuteranopia (green-blind)

#0038A3

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2da5;
/* rgb */ color: rgb(31, 45, 165);
/* oklch */ color: oklch(38.2% 0.189 268.9);

Tailwind

colors: {
  custom: {
    50: '#7467c1',
    500: '#1f2da5',
    950: '#000000',
  },
}

SCSS

$custom: #1f2da5;
$custom-light: #7467c1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2da5",
  "rgb": {
    "r": 31,
    "g": 45,
    "b": 165
  },
  "hsl": {
    "h": 233.731,
    "s": 68.367,
    "l": 38.431
  },
  "oklch": {
    "l": 0.38157,
    "c": 0.18926,
    "h": 268.9
  },
  "luminance": 0.04885
}

Semantic roles & 50–950 ramp

primary

#1F2DA5

secondary

#C5BA5B

accent

#D93DEB

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #1F2DA5

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

Preview Lab → · Contrast checker → · Palette generator →