#1F2274#1F2274

#1F2274 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.1% C 0.137 H 273.5°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#1F2274
RGB	rgb(31, 34, 116)
HSL	hsl(238, 58%, 29%)
HSV	hsv(238, 73%, 45%)
CMYK	cmyk(73.3%, 70.7%, 0%, 54.5%)
CIE-LAB	lab(18.78, 28.08, -47.33)
CIE-LCH	lch(18.78, 55.03, 300.68°)
OKLab	oklab(31.14% 0.0084 -0.1368)
OKLCH	oklch(31.14% 0.137 273.5)
XYZ	xyz(4.2884, 2.6959, 16.8140)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2274 #74711F

analogous

#1F4D74 #1F2274 #471F74

triadic

#1F2274 #741F22 #22741F

tetradic

#1F2274 #741F4D #74711F #1F7447

square

#1F2274 #741F4D #74711F #1F7447

split-complementary

#1F2274 #74471F #4D741F

monochromatic

#060718 #121444 #1F2274 #2C30A4 #4146CC

Accessibility & contrast

On white

13.64

#1F2274 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1F2274 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2274

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2274	#FFFFFF	#000000	##FFFFFF
##1F2274	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003277

Deuteranopia (green-blind)

#002A72

Tritanopia (blue-blind)

#003848

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f2274;
/* rgb */ color: rgb(31, 34, 116);
/* oklch */ color: oklch(31.1% 0.137 273.5);

Tailwind

colors: {
  custom: {
    50: '#685d9d',
    500: '#1f2274',
    950: '#000000',
  },
}

SCSS

$custom: #1f2274;
$custom-light: #685d9d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2274",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 116
  },
  "hsl": {
    "h": 237.882,
    "s": 57.823,
    "l": 28.824
  },
  "oklch": {
    "l": 0.31144,
    "c": 0.13704,
    "h": 273.5
  },
  "luminance": 0.02696
}

Semantic roles & 50–950 ramp

primary

#1F2274

secondary

#A8A447

accent

#DC47E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F2274

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

Preview Lab → · Contrast checker → · Palette generator →