#1F226E#1F226E

#1F226E is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.5% C 0.129 H 274.1°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#1F226E
RGB	rgb(31, 34, 110)
HSL	hsl(238, 56%, 28%)
HSV	hsv(238, 72%, 43%)
CMYK	cmyk(71.8%, 69.1%, 0%, 56.9%)
CIE-LAB	lab(18.19, 25.82, -44.42)
CIE-LCH	lch(18.19, 51.38, 300.17°)
OKLab	oklab(30.53% 0.0091 -0.1283)
OKLCH	oklch(30.53% 0.129 274.1)
XYZ	xyz(3.9506, 2.5608, 15.0349)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F226E #6E6B1F

analogous

#1F496E #1F226E #441F6E

triadic

#1F226E #6E1F22 #226E1F

tetradic

#1F226E #6E1F49 #6E6B1F #1F6E44

square

#1F226E #6E1F49 #6E6B1F #1F6E44

split-complementary

#1F226E #6E441F #496E1F

monochromatic

#070718 #12133E #1F226E #2C319E #3F44C9

Accessibility & contrast

On white

13.89

#1F226E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1F226E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F226E

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F226E	#FFFFFF	#000000	##FFFFFF
##1F226E	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003070

Deuteranopia (green-blind)

#00296D

Tritanopia (blue-blind)

#003644

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f226e;
/* rgb */ color: rgb(31, 34, 110);
/* oklch */ color: oklch(30.5% 0.129 274.1);

Tailwind

colors: {
  custom: {
    50: '#675d98',
    500: '#1f226e',
    950: '#000000',
  },
}

SCSS

$custom: #1f226e;
$custom-light: #675d98;
$custom-dark: #000000;

JSON

{
  "hex": "#1f226e",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 110
  },
  "hsl": {
    "h": 237.722,
    "s": 56.028,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30534,
    "c": 0.12859,
    "h": 274.1
  },
  "luminance": 0.02561
}

Semantic roles & 50–950 ramp

primary

#1F226E

secondary

#A29F47

accent

#DA48DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F226E

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

Preview Lab → · Contrast checker → · Palette generator →