#1F2E87#1F2E87

#1F2E87 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.3% C 0.149 H 269.5°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#1F2E87
RGB	rgb(31, 46, 135)
HSL	hsl(231, 63%, 33%)
HSV	hsv(231, 77%, 53%)
CMYK	cmyk(77%, 65.9%, 0%, 47.1%)
CIE-LAB	lab(23.65, 27.22, -51.39)
CIE-LCH	lch(23.65, 58.15, 297.90°)
OKLab	oklab(35.26% -0.0013 -0.1486)
OKLCH	oklch(35.26% 0.149 269.5)
XYZ	xyz(5.9137, 3.9939, 23.3762)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2E87 #87781F

analogous

#1F6287 #1F2E87 #441F87

triadic

#1F2E87 #871F2E #2E871F

tetradic

#1F2E87 #871F62 #87781F #1F8744

square

#1F2E87 #871F62 #87781F #1F8744

split-complementary

#1F2E87 #87441F #62871F

monochromatic

#080C23 #141D55 #1F2E87 #2A3FB9 #4B5FD6

Accessibility & contrast

On white

11.67

#1F2E87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1F2E87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2E87

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2E87	#FFFFFF	#000000	##FFFFFF
##1F2E87	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8A

Deuteranopia (green-blind)

#003385

Tritanopia (blue-blind)

#004556

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1f2e87;
/* rgb */ color: rgb(31, 46, 135);
/* oklch */ color: oklch(35.3% 0.149 269.5);

Tailwind

colors: {
  custom: {
    50: '#6c66ab',
    500: '#1f2e87',
    950: '#000000',
  },
}

SCSS

$custom: #1f2e87;
$custom-light: #6c66ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2e87",
  "rgb": {
    "r": 31,
    "g": 46,
    "b": 135
  },
  "hsl": {
    "h": 231.346,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.35258,
    "c": 0.14861,
    "h": 269.5
  },
  "luminance": 0.03995
}

Semantic roles & 50–950 ramp

primary

#1F2E87

secondary

#B8A84A

accent

#CE42E6

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #1F2E87

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

Preview Lab → · Contrast checker → · Palette generator →