#1F2BA7#1F2BA7

#1F2BA7 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.1% C 0.194 H 269.1°. Best body text is #FFFFFF at 10.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F2BA7
RGB	rgb(31, 43, 167)
HSL	hsl(235, 69%, 39%)
HSV	hsv(235, 81%, 65%)
CMYK	cmyk(81.4%, 74.3%, 0%, 34.5%)
CIE-LAB	lab(26.18, 40.92, -66.89)
CIE-LCH	lch(26.18, 78.41, 301.45°)
OKLab	oklab(38.06% -0.003 -0.1938)
OKLCH	oklch(38.06% 0.194 269.1)
XYZ	xyz(8.4016, 4.8081, 37.0370)
Luminance	0.0481 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2BA7 #A79B1F

analogous

#1F6FA7 #1F2BA7 #571FA7

triadic

#1F2BA7 #A71F2B #2BA71F

tetradic

#1F2BA7 #A71F6F #A79B1F #1FA757

square

#1F2BA7 #A71F6F #A79B1F #1FA757

split-complementary

#1F2BA7 #A7571F #6FA71F

monochromatic

#0C1040 #151E73 #1F2BA7 #2B3BD8 #5F6BE1

Accessibility & contrast

On white

10.70

#1F2BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1F2BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2BA7

10.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2BA7	#FFFFFF	#000000	##FFFFFF
##1F2BA7	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)

#0045AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004F66

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ba7;
/* rgb */ color: rgb(31, 43, 167);
/* oklch */ color: oklch(38.1% 0.194 269.1);

Tailwind

colors: {
  custom: {
    50: '#7565c2',
    500: '#1f2ba7',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ba7;
$custom-light: #7565c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ba7",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 167
  },
  "hsl": {
    "h": 234.706,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.38063,
    "c": 0.19381,
    "h": 269.1
  },
  "luminance": 0.04809
}

Semantic roles & 50–950 ramp

primary

#1F2BA7

secondary

#C6BC5C

accent

#DC3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2BA7

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

Preview Lab → · Contrast checker → · Palette generator →