#1F2AA9#1F2AA9

#1F2AA9 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.197 H 269.1°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F2AA9
RGB	rgb(31, 42, 169)
HSL	hsl(235, 69%, 39%)
HSV	hsv(235, 82%, 66%)
CMYK	cmyk(81.7%, 75.1%, 0%, 33.7%)
CIE-LAB	lab(26.19, 42.20, -68.08)
CIE-LCH	lch(26.19, 80.10, 301.79°)
OKLab	oklab(38.13% -0.0029 -0.1972)
OKLCH	oklch(38.13% 0.197 269.1)
XYZ	xyz(8.5520, 4.8108, 38.0063)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2AA9 #A99E1F

analogous

#1F6FA9 #1F2AA9 #591FA9

triadic

#1F2AA9 #A91F2A #2AA91F

tetradic

#1F2AA9 #A91F6F #A99E1F #1FA959

square

#1F2AA9 #A91F6F #A99E1F #1FA959

split-complementary

#1F2AA9 #A9591F #6FA91F

monochromatic

#0C1042 #161D75 #1F2AA9 #2D3AD8 #606BE2

Accessibility & contrast

On white

10.70

#1F2AA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1F2AA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2AA9

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2AA9	#FFFFFF	#000000	##FFFFFF
##1F2AA9	1.00	10.70	1.96	10.70
#FFFFFF	10.70	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#0037A7

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2aa9;
/* rgb */ color: rgb(31, 42, 169);
/* oklch */ color: oklch(38.1% 0.197 269.1);

Tailwind

colors: {
  custom: {
    50: '#7565c4',
    500: '#1f2aa9',
    950: '#000000',
  },
}

SCSS

$custom: #1f2aa9;
$custom-light: #7565c4;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2aa9",
  "rgb": {
    "r": 31,
    "g": 42,
    "b": 169
  },
  "hsl": {
    "h": 235.217,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38133,
    "c": 0.19727,
    "h": 269.1
  },
  "luminance": 0.04812
}

Semantic roles & 50–950 ramp

primary

#1F2AA9

secondary

#C7BE5D

accent

#DE3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2AA9

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

Preview Lab → · Contrast checker → · Palette generator →