#1B4098#1B4098

#1B4098 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.3% C 0.151 H 263.7°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B4098
RGB	rgb(27, 64, 152)
HSL	hsl(222, 70%, 35%)
HSV	hsv(222, 82%, 60%)
CMYK	cmyk(82.2%, 57.9%, 0%, 40.4%)
CIE-LAB	lab(29.83, 21.14, -51.81)
CIE-LCH	lch(29.83, 55.95, 292.20°)
OKLab	oklab(40.27% -0.0165 -0.1496)
OKLCH	oklch(40.27% 0.151 263.7)
XYZ	xyz(7.9509, 6.1659, 30.4708)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4098 #98731B

analogous

#1B7E98 #1B4098 #351B98

triadic

#1B4098 #981B40 #40981B

tetradic

#1B4098 #981B7E #98731B #1B9835

square

#1B4098 #981B7E #98731B #1B9835

split-complementary

#1B4098 #98351B #7E981B

monochromatic

#091430 #122A64 #1B4098 #2456CC #4E79E0

Accessibility & contrast

On white

9.40

#1B4098 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1B4098 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4098

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4098	#FFFFFF	#000000	##FFFFFF
##1B4098	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004C9B

Deuteranopia (green-blind)

#004196

Tritanopia (blue-blind)

#005665

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4098;
/* rgb */ color: rgb(27, 64, 152);
/* oklch */ color: oklch(40.3% 0.151 263.7);

Tailwind

colors: {
  custom: {
    50: '#6e74b7',
    500: '#1b4098',
    950: '#000000',
  },
}

SCSS

$custom: #1b4098;
$custom-light: #6e74b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4098",
  "rgb": {
    "r": 27,
    "g": 64,
    "b": 152
  },
  "hsl": {
    "h": 222.24,
    "s": 69.832,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40268,
    "c": 0.15054,
    "h": 263.7
  },
  "luminance": 0.06167
}

Semantic roles & 50–950 ramp

primary

#1B4098

secondary

#C29F4D

accent

#B83BED

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1B4098

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

Preview Lab → · Contrast checker → · Palette generator →