#1043B2#1043B2

#1043B2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 42.9% C 0.184 H 262.8°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#1043B2
RGB	rgb(16, 67, 178)
HSL	hsl(221, 84%, 38%)
HSV	hsv(221, 91%, 70%)
CMYK	cmyk(91%, 62.4%, 0%, 30.2%)
CIE-LAB	lab(32.56, 28.70, -62.99)
CIE-LCH	lch(32.56, 69.22, 294.49°)
OKLab	oklab(42.92% -0.0232 -0.1825)
OKLCH	oklch(42.92% 0.184 262.8)
XYZ	xyz(10.2538, 7.3375, 42.9867)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1043B2 #B27F10

analogous

#1094B2 #1043B2 #2E10B2

triadic

#1043B2 #B21043 #43B210

tetradic

#1043B2 #B21094 #B27F10 #10B22E

square

#1043B2 #B21094 #B27F10 #10B22E

split-complementary

#1043B2 #B22E10 #94B210

monochromatic

#061942 #0B2E7A #1043B2 #1558EA #4D80EF

Accessibility & contrast

On white

8.51

#1043B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#1043B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1043B2

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1043B2	#FFFFFF	#000000	##FFFFFF
##1043B2	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B6

Deuteranopia (green-blind)

#0045B0

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1043b2;
/* rgb */ color: rgb(16, 67, 178);
/* oklch */ color: oklch(42.9% 0.184 262.8);

Tailwind

colors: {
  custom: {
    50: '#7276ca',
    500: '#1043b2',
    950: '#000000',
  },
}

SCSS

$custom: #1043b2;
$custom-light: #7276ca;
$custom-dark: #000000;

JSON

{
  "hex": "#1043b2",
  "rgb": {
    "r": 16,
    "g": 67,
    "b": 178
  },
  "hsl": {
    "h": 221.111,
    "s": 83.505,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4292,
    "c": 0.18399,
    "h": 262.8
  },
  "luminance": 0.07339
}

Semantic roles & 50–950 ramp

primary

#1043B2

secondary

#D0A74D

accent

#BA2EFA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #1043B2

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

Preview Lab → · Contrast checker → · Palette generator →