#1F226C#1F226C

#1F226C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.3% C 0.126 H 274.2°. Best body text is #FFFFFF at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#1F226C
RGB	rgb(31, 34, 108)
HSL	hsl(238, 55%, 27%)
HSV	hsv(238, 71%, 42%)
CMYK	cmyk(71.3%, 68.5%, 0%, 57.6%)
CIE-LAB	lab(18.00, 25.07, -43.44)
CIE-LCH	lch(18.00, 50.15, 299.99°)
OKLab	oklab(30.33% 0.0093 -0.1254)
OKLCH	oklch(30.33% 0.126 274.2)
XYZ	xyz(3.8430, 2.5177, 14.4679)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F226C #6C691F

analogous

#1F496C #1F226C #421F6C

triadic

#1F226C #6C1F22 #226C1F

tetradic

#1F226C #6C1F49 #6C691F #1F6C42

square

#1F226C #6C1F49 #6C691F #1F6C42

split-complementary

#1F226C #6C421F #496C1F

monochromatic

#070718 #11133C #1F226C #2D319C #3E43C8

Accessibility & contrast

On white

13.97

#1F226C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#1F226C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F226C

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F226C	#FFFFFF	#000000	##FFFFFF
##1F226C	1.00	13.97	1.50	13.97
#FFFFFF	13.97	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00306E

Deuteranopia (green-blind)

#00296B

Tritanopia (blue-blind)

#003543

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f226c;
/* rgb */ color: rgb(31, 34, 108);
/* oklch */ color: oklch(30.3% 0.126 274.2);

Tailwind

colors: {
  custom: {
    50: '#665d97',
    500: '#1f226c',
    950: '#000000',
  },
}

SCSS

$custom: #1f226c;
$custom-light: #665d97;
$custom-dark: #000000;

JSON

{
  "hex": "#1f226c",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 108
  },
  "hsl": {
    "h": 237.662,
    "s": 55.396,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30334,
    "c": 0.12573,
    "h": 274.2
  },
  "luminance": 0.02518
}

Semantic roles & 50–950 ramp

primary

#1F226C

secondary

#A09D47

accent

#D949DF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040D

muted

#7A797E

Preview Lab

Preview with #1F226C

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

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