#1F4895#1F4895

#1F4895 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 41.9% C 0.135 H 261.5°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#1F4895
RGB	rgb(31, 72, 149)
HSL	hsl(219, 66%, 35%)
HSV	hsv(219, 79%, 58%)
CMYK	cmyk(79.2%, 51.7%, 0%, 41.6%)
CIE-LAB	lab(32.02, 14.88, -46.41)
CIE-LCH	lch(32.02, 48.74, 287.78°)
OKLab	oklab(41.9% -0.0199 -0.1336)
OKLCH	oklch(41.9% 0.135 261.5)
XYZ	xyz(8.3053, 7.0950, 29.3597)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4895 #956C1F

analogous

#1F8395 #1F4895 #311F95

triadic

#1F4895 #951F48 #48951F

tetradic

#1F4895 #951F83 #956C1F #1F9531

square

#1F4895 #951F83 #956C1F #1F9531

split-complementary

#1F4895 #95311F #83951F

monochromatic

#0A1730 #143062 #1F4895 #2A60C8 #5382DB

Accessibility & contrast

On white

8.68

#1F4895 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#1F4895 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4895

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4895	#FFFFFF	#000000	##FFFFFF
##1F4895	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175198

Deuteranopia (green-blind)

#004693

Tritanopia (blue-blind)

#005B67

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1f4895;
/* rgb */ color: rgb(31, 72, 149);
/* oklch */ color: oklch(41.9% 0.135 261.5);

Tailwind

colors: {
  custom: {
    50: '#6e7ab5',
    500: '#1f4895',
    950: '#000000',
  },
}

SCSS

$custom: #1f4895;
$custom-light: #6e7ab5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4895",
  "rgb": {
    "r": 31,
    "g": 72,
    "b": 149
  },
  "hsl": {
    "h": 219.153,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.41899,
    "c": 0.13503,
    "h": 261.5
  },
  "luminance": 0.07096
}

Semantic roles & 50–950 ramp

primary

#1F4895

secondary

#BF9951

accent

#AE3FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1F4895

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

Preview Lab → · Contrast checker → · Palette generator →