#1F2595#1F2595

#1F2595 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.2% C 0.177 H 270.6°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#1F2595
RGB	rgb(31, 37, 149)
HSL	hsl(237, 66%, 35%)
HSV	hsv(237, 79%, 58%)
CMYK	cmyk(79.2%, 75.2%, 0%, 41.6%)
CIE-LAB	lab(22.94, 38.17, -61.25)
CIE-LCH	lch(22.94, 72.17, 301.93°)
OKLab	oklab(35.17% 0.002 -0.1774)
OKLCH	oklch(35.17% 0.177 270.6)
XYZ	xyz(6.6496, 3.7836, 28.8078)
Luminance	0.0378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2595 #958F1F

analogous

#1F6095 #1F2595 #541F95

triadic

#1F2595 #951F25 #25951F

tetradic

#1F2595 #951F60 #958F1F #1F9554

square

#1F2595 #951F60 #958F1F #1F9554

split-complementary

#1F2595 #95541F #60951F

monochromatic

#0A0C30 #141862 #1F2595 #2A32C8 #535ADB

Accessibility & contrast

On white

11.95

#1F2595 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2595 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2595

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2595	#FFFFFF	#000000	##FFFFFF
##1F2595	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D98

Deuteranopia (green-blind)

#003193

Tritanopia (blue-blind)

#00465B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2595;
/* rgb */ color: rgb(31, 37, 149);
/* oklch */ color: oklch(35.2% 0.177 270.6);

Tailwind

colors: {
  custom: {
    50: '#7161b5',
    500: '#1f2595',
    950: '#000000',
  },
}

SCSS

$custom: #1f2595;
$custom-light: #7161b5;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2595",
  "rgb": {
    "r": 31,
    "g": 37,
    "b": 149
  },
  "hsl": {
    "h": 236.949,
    "s": 65.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.35174,
    "c": 0.17739,
    "h": 270.6
  },
  "luminance": 0.03784
}

Semantic roles & 50–950 ramp

primary

#1F2595

secondary

#BFB951

accent

#E03FE9

background

#F7F5FB

surface

#EDEAF6

border

#C8C6D0

text

#090511

muted

#7B7980

Preview Lab

Preview with #1F2595

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

Preview Lab → · Contrast checker → · Palette generator →