#1F2685#1F2685

#1F2685 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.155 H 271.4°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F2685
RGB	rgb(31, 38, 133)
HSL	hsl(236, 62%, 32%)
HSV	hsv(236, 77%, 52%)
CMYK	cmyk(76.7%, 71.4%, 0%, 47.8%)
CIE-LAB	lab(21.47, 31.77, -53.72)
CIE-LCH	lch(21.47, 62.41, 300.60°)
OKLab	oklab(33.61% 0.0038 -0.1554)
OKLCH	oklch(33.61% 0.155 271.4)
XYZ	xyz(5.4904, 3.3704, 22.5470)
Luminance	0.0337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2685 #857E1F

analogous

#1F5985 #1F2685 #4B1F85

triadic

#1F2685 #851F26 #26851F

tetradic

#1F2685 #851F59 #857E1F #1F854B

square

#1F2685 #851F59 #857E1F #1F854B

split-complementary

#1F2685 #854B1F #59851F

monochromatic

#080A22 #131853 #1F2685 #2B34B7 #4A53D5

Accessibility & contrast

On white

12.54

#1F2685 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F2685 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2685

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2685	#FFFFFF	#000000	##FFFFFF
##1F2685	1.00	12.54	1.67	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003888

Deuteranopia (green-blind)

#002F83

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f2685;
/* rgb */ color: rgb(31, 38, 133);
/* oklch */ color: oklch(33.6% 0.155 271.4);

Tailwind

colors: {
  custom: {
    50: '#6c61a9',
    500: '#1f2685',
    950: '#000000',
  },
}

SCSS

$custom: #1f2685;
$custom-light: #6c61a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2685",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 133
  },
  "hsl": {
    "h": 235.882,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.3361,
    "c": 0.15549,
    "h": 271.4
  },
  "luminance": 0.03371
}

Semantic roles & 50–950 ramp

primary

#1F2685

secondary

#B7B049

accent

#DA43E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2685

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

Preview Lab → · Contrast checker → · Palette generator →