#1F3085#1F3085

#1F3085 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.143 H 269.0°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#1F3085
RGB	rgb(31, 48, 133)
HSL	hsl(230, 62%, 32%)
HSV	hsv(230, 77%, 52%)
CMYK	cmyk(76.7%, 63.9%, 0%, 47.8%)
CIE-LAB	lab(23.99, 25.08, -49.58)
CIE-LCH	lch(23.99, 55.56, 296.83°)
OKLab	oklab(35.45% -0.0026 -0.1433)
OKLCH	oklch(35.45% 0.143 269)
XYZ	xyz(5.8542, 4.0980, 22.6682)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3085 #85741F

analogous

#1F6385 #1F3085 #411F85

triadic

#1F3085 #851F30 #30851F

tetradic

#1F3085 #851F63 #85741F #1F8541

square

#1F3085 #851F63 #85741F #1F8541

split-complementary

#1F3085 #85411F #63851F

monochromatic

#080C22 #131E53 #1F3085 #2B42B7 #4A61D5

Accessibility & contrast

On white

11.54

#1F3085 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#1F3085 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3085

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3085	#FFFFFF	#000000	##FFFFFF
##1F3085	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E88

Deuteranopia (green-blind)

#003483

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1f3085;
/* rgb */ color: rgb(31, 48, 133);
/* oklch */ color: oklch(35.5% 0.143 269.0);

Tailwind

colors: {
  custom: {
    50: '#6b68a9',
    500: '#1f3085',
    950: '#000000',
  },
}

SCSS

$custom: #1f3085;
$custom-light: #6b68a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3085",
  "rgb": {
    "r": 31,
    "g": 48,
    "b": 133
  },
  "hsl": {
    "h": 230,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35454,
    "c": 0.1433,
    "h": 269
  },
  "luminance": 0.04099
}

Semantic roles & 50–950 ramp

primary

#1F3085

secondary

#B7A549

accent

#CA43E5

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1F3085

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

Preview Lab → · Contrast checker → · Palette generator →