#1F4098#1F4098

#1F4098 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.149 H 264.8°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#1F4098
RGB	rgb(31, 64, 152)
HSL	hsl(224, 66%, 36%)
HSV	hsv(224, 80%, 60%)
CMYK	cmyk(79.6%, 57.9%, 0%, 40.4%)
CIE-LAB	lab(29.97, 21.55, -51.57)
CIE-LCH	lch(29.97, 55.89, 292.68°)
OKLab	oklab(40.42% -0.0135 -0.1489)
OKLCH	oklch(40.42% 0.149 264.8)
XYZ	xyz(8.0640, 6.2242, 30.4761)
Luminance	0.0622 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4098 #98771F

analogous

#1F7C98 #1F4098 #3A1F98

triadic

#1F4098 #981F40 #40981F

tetradic

#1F4098 #981F7C #98771F #1F983A

square

#1F4098 #981F7C #98771F #1F983A

split-complementary

#1F4098 #983A1F #7C981F

monochromatic

#0A1532 #152B65 #1F4098 #2955CB #557ADC

Accessibility & contrast

On white

9.35

#1F4098 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1F4098 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4098

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4098	#FFFFFF	#000000	##FFFFFF
##1F4098	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004196

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4098;
/* rgb */ color: rgb(31, 64, 152);
/* oklch */ color: oklch(40.4% 0.149 264.8);

Tailwind

colors: {
  custom: {
    50: '#6f74b7',
    500: '#1f4098',
    950: '#000000',
  },
}

SCSS

$custom: #1f4098;
$custom-light: #6f74b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4098",
  "rgb": {
    "r": 31,
    "g": 64,
    "b": 152
  },
  "hsl": {
    "h": 223.636,
    "s": 66.12,
    "l": 35.882
  },
  "oklch": {
    "l": 0.40416,
    "c": 0.14948,
    "h": 264.8
  },
  "luminance": 0.06225
}

Semantic roles & 50–950 ramp

primary

#1F4098

secondary

#C0A253

accent

#BB3FE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090811

muted

#7B7B80

Preview Lab

Preview with #1F4098

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

Preview Lab → · Contrast checker → · Palette generator →