#1F2E80#1F2E80

#1F2E80 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 34.6% C 0.139 H 269.6°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E80
RGB	rgb(31, 46, 128)
HSL	hsl(231, 61%, 31%)
HSV	hsv(231, 76%, 50%)
CMYK	cmyk(75.8%, 64.1%, 0%, 49.8%)
CIE-LAB	lab(23.01, 24.51, -48.05)
CIE-LCH	lch(23.01, 53.94, 297.02°)
OKLab	oklab(34.59% -0.0011 -0.1388)
OKLCH	oklch(34.59% 0.139 269.6)
XYZ	xyz(5.4370, 3.8032, 20.8654)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E80 #80711F

analogous

#1F5E80 #1F2E80 #401F80

triadic

#1F2E80 #801F2E #2E801F

tetradic

#1F2E80 #801F5E #80711F #1F8040

square

#1F2E80 #801F5E #80711F #1F8040

split-complementary

#1F2E80 #80401F #5E801F

monochromatic

#070B1D #131C4F #1F2E80 #2B40B1 #475DD2

Accessibility & contrast

On white

11.93

#1F2E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#1F2E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E80

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E80	#FFFFFF	#000000	##FFFFFF
##1F2E80	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C83

Deuteranopia (green-blind)

#00327E

Tritanopia (blue-blind)

#004352

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #1f2e80;
/* rgb */ color: rgb(31, 46, 128);
/* oklch */ color: oklch(34.6% 0.139 269.6);

Tailwind

colors: {
  custom: {
    50: '#6a66a6',
    500: '#1f2e80',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e80;
$custom-light: #6a66a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e80",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 128
  },
  "hsl": {
    "h": 230.722,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.34588,
    "c": 0.1388,
    "h": 269.6
  },
  "luminance": 0.03804
}

Semantic roles & 50–950 ramp

primary

#1F2E80

secondary

#B3A248

accent

#CB44E4

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1F2E80

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

Preview Lab → · Contrast checker → · Palette generator →