#1143B4#1143B4

#1143B4 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.1% C 0.186 H 263.0°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#1143B4
RGB	rgb(17, 67, 180)
HSL	hsl(222, 83%, 39%)
HSV	hsv(222, 91%, 71%)
CMYK	cmyk(90.6%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(32.76, 29.54, -63.85)
CIE-LCH	lch(32.76, 70.35, 294.82°)
OKLab	oklab(43.13% -0.0227 -0.185)
OKLCH	oklch(43.13% 0.186 263)
XYZ	xyz(10.4736, 7.4274, 44.0528)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1143B4 #B48211

analogous

#1194B4 #1143B4 #3011B4

triadic

#1143B4 #B41143 #43B411

tetradic

#1143B4 #B41194 #B48211 #11B430

square

#1143B4 #B41194 #B48211 #11B430

split-complementary

#1143B4 #B43011 #94B411

monochromatic

#061944 #0C2E7C #1143B4 #1959E9 #5181EF

Accessibility & contrast

On white

8.45

#1143B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1143B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1143B4

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1143B4	#FFFFFF	#000000	##FFFFFF
##1143B4	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1143b4;
/* rgb */ color: rgb(17, 67, 180);
/* oklch */ color: oklch(43.1% 0.186 263.0);

Tailwind

colors: {
  custom: {
    50: '#7376cb',
    500: '#1143b4',
    950: '#000000',
  },
}

SCSS

$custom: #1143b4;
$custom-light: #7376cb;
$custom-dark: #000000;

JSON

{
  "hex": "#1143b4",
  "rgb": {
    "r": 17,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 221.595,
    "s": 82.741,
    "l": 38.627
  },
  "oklch": {
    "l": 0.43128,
    "c": 0.18642,
    "h": 263
  },
  "luminance": 0.07429
}

Semantic roles & 50–950 ramp

primary

#1143B4

secondary

#D0A950

accent

#BB2FF9

background

#F7F7FC

surface

#EEEDF9

border

#C9C8D2

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1143B4

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

Preview Lab → · Contrast checker → · Palette generator →