#1F3D95#1F3D95

#1F3D95 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.5% C 0.149 H 265.6°. Best body text is #FFFFFF at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F3D95
RGB	rgb(31, 61, 149)
HSL	hsl(225, 66%, 35%)
HSV	hsv(225, 79%, 58%)
CMYK	cmyk(79.2%, 59.1%, 0%, 41.6%)
CIE-LAB	lab(28.90, 22.42, -51.48)
CIE-LCH	lch(28.90, 56.15, 293.53°)
OKLab	oklab(39.53% -0.0116 -0.1487)
OKLCH	oklch(39.53% 0.149 265.6)
XYZ	xyz(7.6567, 5.7978, 29.1435)
Luminance	0.0580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3D95 #95771F

analogous

#1F7895 #1F3D95 #3C1F95

triadic

#1F3D95 #951F3D #3D951F

tetradic

#1F3D95 #951F78 #95771F #1F953C

square

#1F3D95 #951F78 #95771F #1F953C

split-complementary

#1F3D95 #953C1F #78951F

monochromatic

#0A1430 #142862 #1F3D95 #2A52C8 #5376DB

Accessibility & contrast

On white

9.72

#1F3D95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#1F3D95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3D95

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3D95	#FFFFFF	#000000	##FFFFFF
##1F3D95	1.00	9.72	2.16	9.72
#FFFFFF	9.72	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#003F93

Tritanopia (blue-blind)

#005363

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1f3d95;
/* rgb */ color: rgb(31, 61, 149);
/* oklch */ color: oklch(39.5% 0.149 265.6);

Tailwind

colors: {
  custom: {
    50: '#6e72b5',
    500: '#1f3d95',
    950: '#000000',
  },
}

SCSS

$custom: #1f3d95;
$custom-light: #6e72b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3d95",
  "rgb": {
    "r": 31,
    "g": 61,
    "b": 149
  },
  "hsl": {
    "h": 224.746,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39533,
    "c": 0.14913,
    "h": 265.6
  },
  "luminance": 0.05799
}

Semantic roles & 50–950 ramp

primary

#1F3D95

secondary

#BFA351

accent

#BD3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1F3D95

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

Preview Lab → · Contrast checker → · Palette generator →