#1F468C#1F468C

#1F468C is a dark, vivid blue. Relative luminance 0.066; OKLCH L 40.8% C 0.125 H 261.0°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#1F468C
RGB	rgb(31, 70, 140)
HSL	hsl(219, 64%, 34%)
HSV	hsv(219, 78%, 55%)
CMYK	cmyk(77.9%, 50%, 0%, 45.1%)
CIE-LAB	lab(30.79, 12.64, -42.89)
CIE-LCH	lch(30.79, 44.71, 286.42°)
OKLab	oklab(40.76% -0.0195 -0.1232)
OKLCH	oklch(40.76% 0.125 261)
XYZ	xyz(7.4871, 6.5642, 25.6783)
Luminance	0.0657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F468C #8C651F

analogous

#1F7C8C #1F468C #2E1F8C

triadic

#1F468C #8C1F46 #468C1F

tetradic

#1F468C #8C1F7C #8C651F #1F8C2E

square

#1F468C #8C1F7C #8C651F #1F8C2E

split-complementary

#1F468C #8C2E1F #7C8C1F

monochromatic

#091428 #142D5A #1F468C #2A5FBE #4E7FD8

Accessibility & contrast

On white

9.08

#1F468C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1F468C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F468C

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F468C	#FFFFFF	#000000	##FFFFFF
##1F468C	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4E8F

Deuteranopia (green-blind)

#00448B

Tritanopia (blue-blind)

#005762

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f468c;
/* rgb */ color: rgb(31, 70, 140);
/* oklch */ color: oklch(40.8% 0.125 261.0);

Tailwind

colors: {
  custom: {
    50: '#6c78ae',
    500: '#1f468c',
    950: '#000000',
  },
}

SCSS

$custom: #1f468c;
$custom-light: #6c78ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1f468c",
  "rgb": {
    "r": 31,
    "g": 70,
    "b": 140
  },
  "hsl": {
    "h": 218.532,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.40755,
    "c": 0.12476,
    "h": 261
  },
  "luminance": 0.06565
}

Semantic roles & 50–950 ramp

primary

#1F468C

secondary

#BB934C

accent

#AB41E7

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1F468C

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

Preview Lab → · Contrast checker → · Palette generator →