#1F41AE#1F41AE

#1F41AE is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.6% C 0.178 H 265.6°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#1F41AE
RGB	rgb(31, 65, 174)
HSL	hsl(226, 70%, 40%)
HSV	hsv(226, 82%, 68%)
CMYK	cmyk(82.2%, 62.6%, 0%, 31.8%)
CIE-LAB	lab(32.09, 29.47, -61.36)
CIE-LCH	lch(32.09, 68.07, 295.65°)
OKLab	oklab(42.58% -0.0136 -0.1776)
OKLCH	oklch(42.58% 0.178 265.6)
XYZ	xyz(10.0927, 7.1267, 40.8798)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F41AE #AE8C1F

analogous

#1F89AE #1F41AE #441FAE

triadic

#1F41AE #AE1F41 #41AE1F

tetradic

#1F41AE #AE1F89 #AE8C1F #1FAE44

square

#1F41AE #AE1F89 #AE8C1F #1FAE44

split-complementary

#1F41AE #AE441F #89AE1F

monochromatic

#0C1A46 #162E7A #1F41AE #3059DA #6482E3

Accessibility & contrast

On white

8.66

#1F41AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1F41AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F41AE

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F41AE	#FFFFFF	#000000	##FFFFFF
##1F41AE	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B2

Deuteranopia (green-blind)

#0045AC

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f41ae;
/* rgb */ color: rgb(31, 65, 174);
/* oklch */ color: oklch(42.6% 0.178 265.6);

Tailwind

colors: {
  custom: {
    50: '#7575c7',
    500: '#1f41ae',
    950: '#000000',
  },
}

SCSS

$custom: #1f41ae;
$custom-light: #7575c7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f41ae",
  "rgb": {
    "r": 31,
    "g": 65,
    "b": 174
  },
  "hsl": {
    "h": 225.734,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.42578,
    "c": 0.17811,
    "h": 265.6
  },
  "luminance": 0.07128
}

Semantic roles & 50–950 ramp

primary

#1F41AE

secondary

#C8B060

accent

#C23BED

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1F41AE

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

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