#1F2BA8#1F2BA8

#1F2BA8 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.195 H 269.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F2BA8
RGB	rgb(31, 43, 168)
HSL	hsl(235, 69%, 39%)
HSV	hsv(235, 82%, 66%)
CMYK	cmyk(81.5%, 74.4%, 0%, 34.1%)
CIE-LAB	lab(26.29, 41.27, -67.31)
CIE-LCH	lch(26.29, 78.95, 301.51°)
OKLab	oklab(38.17% -0.0031 -0.195)
OKLCH	oklch(38.17% 0.195 269.1)
XYZ	xyz(8.4944, 4.8452, 37.5257)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2BA8 #A89C1F

analogous

#1F6FA8 #1F2BA8 #581FA8

triadic

#1F2BA8 #A81F2B #2BA81F

tetradic

#1F2BA8 #A81F6F #A89C1F #1FA858

square

#1F2BA8 #A81F6F #A89C1F #1FA858

split-complementary

#1F2BA8 #A8581F #6FA81F

monochromatic

#0C1141 #151E74 #1F2BA8 #2C3BD8 #606BE2

Accessibility & contrast

On white

10.66

#1F2BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1F2BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2BA8

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2BA8	#FFFFFF	#000000	##FFFFFF
##1F2BA8	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AC

Deuteranopia (green-blind)

#0037A6

Tritanopia (blue-blind)

#005067

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f2ba8;
/* rgb */ color: rgb(31, 43, 168);
/* oklch */ color: oklch(38.2% 0.195 269.1);

Tailwind

colors: {
  custom: {
    50: '#7565c3',
    500: '#1f2ba8',
    950: '#000000',
  },
}

SCSS

$custom: #1f2ba8;
$custom-light: #7565c3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2ba8",
  "rgb": {
    "r": 31,
    "g": 43,
    "b": 168
  },
  "hsl": {
    "h": 234.745,
    "s": 68.844,
    "l": 39.02
  },
  "oklch": {
    "l": 0.38173,
    "c": 0.19506,
    "h": 269.1
  },
  "luminance": 0.04846
}

Semantic roles & 50–950 ramp

primary

#1F2BA8

secondary

#C6BD5D

accent

#DC3CEC

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0613

muted

#7C7A82

Preview Lab

Preview with #1F2BA8

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

Preview Lab → · Contrast checker → · Palette generator →