#1F2276#1F2276

#1F2276 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.4% C 0.140 H 273.4°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#1F2276
RGB	rgb(31, 34, 118)
HSL	hsl(238, 58%, 29%)
HSV	hsv(238, 74%, 46%)
CMYK	cmyk(73.7%, 71.2%, 0%, 53.7%)
CIE-LAB	lab(18.98, 28.82, -48.29)
CIE-LCH	lch(18.98, 56.23, 300.83°)
OKLab	oklab(31.35% 0.0082 -0.1396)
OKLCH	oklch(31.35% 0.14 273.4)
XYZ	xyz(4.4060, 2.7429, 17.4333)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2276 #76731F

analogous

#1F4E76 #1F2276 #481F76

triadic

#1F2276 #761F22 #22761F

tetradic

#1F2276 #761F4E #76731F #1F7648

square

#1F2276 #761F4E #76731F #1F7648

split-complementary

#1F2276 #76481F #4E761F

monochromatic

#060718 #121446 #1F2276 #2C30A6 #4247CD

Accessibility & contrast

On white

13.56

#1F2276 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1F2276 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2276

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2276	#FFFFFF	#000000	##FFFFFF
##1F2276	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003279

Deuteranopia (green-blind)

#002A74

Tritanopia (blue-blind)

#003949

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1f2276;
/* rgb */ color: rgb(31, 34, 118);
/* oklch */ color: oklch(31.4% 0.140 273.4);

Tailwind

colors: {
  custom: {
    50: '#695d9e',
    500: '#1f2276',
    950: '#000000',
  },
}

SCSS

$custom: #1f2276;
$custom-light: #695d9e;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2276",
  "rgb": {
    "r": 31,
    "g": 34,
    "b": 118
  },
  "hsl": {
    "h": 237.931,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.31351,
    "c": 0.13981,
    "h": 273.4
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#1F2276

secondary

#AAA647

accent

#DC46E2

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1F2276

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

Preview Lab → · Contrast checker → · Palette generator →