#1145B4#1145B4

#1145B4 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.184 H 262.6°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#1145B4
RGB	rgb(17, 69, 180)
HSL	hsl(221, 83%, 39%)
HSV	hsv(221, 91%, 71%)
CMYK	cmyk(90.6%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(33.28, 28.20, -62.99)
CIE-LCH	lch(33.28, 69.02, 294.11°)
OKLab	oklab(43.52% -0.0236 -0.1825)
OKLCH	oklch(43.52% 0.184 262.6)
XYZ	xyz(10.5945, 7.6693, 44.0931)
Luminance	0.0767 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1145B4 #B48011

analogous

#1196B4 #1145B4 #2E11B4

triadic

#1145B4 #B41145 #45B411

tetradic

#1145B4 #B41196 #B48011 #11B42E

square

#1145B4 #B41196 #B48011 #11B42E

split-complementary

#1145B4 #B42E11 #96B411

monochromatic

#061A44 #0C307C #1145B4 #195BE9 #5183EF

Accessibility & contrast

On white

8.29

#1145B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1145B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1145B4

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1145B4	#FFFFFF	#000000	##FFFFFF
##1145B4	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#0047B2

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1145b4;
/* rgb */ color: rgb(17, 69, 180);
/* oklch */ color: oklch(43.5% 0.184 262.6);

Tailwind

colors: {
  custom: {
    50: '#7378cb',
    500: '#1145b4',
    950: '#000000',
  },
}

SCSS

$custom: #1145b4;
$custom-light: #7378cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1145b4",
  "rgb": {
    "r": 17,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 220.859,
    "s": 82.741,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43518,
    "c": 0.18401,
    "h": 262.6
  },
  "luminance": 0.07671
}

Semantic roles & 50–950 ramp

primary

#1145B4

secondary

#D0A850

accent

#B92FF9

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1145B4

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

Preview Lab → · Contrast checker → · Palette generator →