#1F3C95#1F3C95

#1F3C95 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.3% C 0.150 H 265.9°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F3C95
RGB	rgb(31, 60, 149)
HSL	hsl(225, 66%, 35%)
HSV	hsv(225, 79%, 58%)
CMYK	cmyk(79.2%, 59.7%, 0%, 41.6%)
CIE-LAB	lab(28.62, 23.11, -51.93)
CIE-LCH	lch(28.62, 56.84, 293.99°)
OKLab	oklab(39.33% -0.0109 -0.15)
OKLCH	oklch(39.33% 0.15 265.9)
XYZ	xyz(7.6038, 5.6921, 29.1259)
Luminance	0.0569 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F3C95 #95781F

analogous

#1F7795 #1F3C95 #3D1F95

triadic

#1F3C95 #951F3C #3C951F

tetradic

#1F3C95 #951F77 #95781F #1F953D

square

#1F3C95 #951F77 #95781F #1F953D

split-complementary

#1F3C95 #953D1F #77951F

monochromatic

#0A1330 #142862 #1F3C95 #2A50C8 #5375DB

Accessibility & contrast

On white

9.82

#1F3C95 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1F3C95 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3C95

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F3C95	#FFFFFF	#000000	##FFFFFF
##1F3C95	1.00	9.82	2.14	9.82
#FFFFFF	9.82	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004998

Deuteranopia (green-blind)

#003E93

Tritanopia (blue-blind)

#005262

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #1f3c95;
/* rgb */ color: rgb(31, 60, 149);
/* oklch */ color: oklch(39.3% 0.150 265.9);

Tailwind

colors: {
  custom: {
    50: '#6e71b5',
    500: '#1f3c95',
    950: '#000000',
  },
}

SCSS

$custom: #1f3c95;
$custom-light: #6e71b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f3c95",
  "rgb": {
    "r": 31,
    "g": 60,
    "b": 149
  },
  "hsl": {
    "h": 225.254,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39327,
    "c": 0.1504,
    "h": 265.9
  },
  "luminance": 0.05693
}

Semantic roles & 50–950 ramp

primary

#1F3C95

secondary

#BFA451

accent

#BF3FE9

background

#F7F6FB

surface

#EDECF6

border

#C8C7D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1F3C95

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

Preview Lab → · Contrast checker → · Palette generator →