#1F3E95#1F3E95

#1F3E95 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.7% C 0.148 H 265.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#1F3E95
RGB	rgb(31, 62, 149)
HSL	hsl(224, 66%, 35%)
HSV	hsv(224, 79%, 58%)
CMYK	cmyk(79.2%, 58.4%, 0%, 41.6%)
CIE-LAB	lab(29.17, 21.74, -51.03)
CIE-LCH	lch(29.17, 55.47, 293.07°)
OKLab	oklab(39.74% -0.0123 -0.1473)
OKLCH	oklch(39.74% 0.148 265.2)
XYZ	xyz(7.7106, 5.9056, 29.1615)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3E95 #95761F

analogous

#1F7995 #1F3E95 #3B1F95

triadic

#1F3E95 #951F3E #3E951F

tetradic

#1F3E95 #951F79 #95761F #1F953B

square

#1F3E95 #951F79 #95761F #1F953B

split-complementary

#1F3E95 #953B1F #79951F

monochromatic

#0A1430 #142962 #1F3E95 #2A53C8 #5377DB

Accessibility & contrast

On white

9.63

#1F3E95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1F3E95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3E95

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3E95	#FFFFFF	#000000	##FFFFFF
##1F3E95	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A98

Deuteranopia (green-blind)

#003F93

Tritanopia (blue-blind)

#005463

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1f3e95;
/* rgb */ color: rgb(31, 62, 149);
/* oklch */ color: oklch(39.7% 0.148 265.2);

Tailwind

colors: {
  custom: {
    50: '#6e72b5',
    500: '#1f3e95',
    950: '#000000',
  },
}

SCSS

$custom: #1f3e95;
$custom-light: #6e72b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3e95",
  "rgb": {
    "r": 31,
    "g": 62,
    "b": 149
  },
  "hsl": {
    "h": 224.237,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.3974,
    "c": 0.14785,
    "h": 265.2
  },
  "luminance": 0.05906
}

Semantic roles & 50–950 ramp

primary

#1F3E95

secondary

#BFA251

accent

#BC3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1F3E95

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

Preview Lab → · Contrast checker → · Palette generator →