#1C50A0#1C50A0

#1C50A0 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.141 H 259.2°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C50A0
RGB	rgb(28, 80, 160)
HSL	hsl(216, 70%, 37%)
HSV	hsv(216, 83%, 63%)
CMYK	cmyk(82.5%, 50%, 0%, 37.3%)
CIE-LAB	lab(35.05, 13.56, -48.19)
CIE-LCH	lch(35.05, 50.06, 285.71°)
OKLab	oklab(44.44% -0.0265 -0.1387)
OKLCH	oklch(44.44% 0.141 259.2)
XYZ	xyz(9.6904, 8.5211, 34.3849)
Luminance	0.0852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C50A0 #A06C1C

analogous

#1C92A0 #1C50A0 #2A1CA0

triadic

#1C50A0 #A01C50 #50A01C

tetradic

#1C50A0 #A01C92 #A06C1C #1CA02A

square

#1C50A0 #A01C92 #A06C1C #1CA02A

split-complementary

#1C50A0 #A02A1C #92A01C

monochromatic

#0A1C38 #13366C #1C50A0 #256AD4 #558CE1

Accessibility & contrast

On white

7.77

#1C50A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1C50A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C50A0

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C50A0	#FFFFFF	#000000	##FFFFFF
##1C50A0	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2059A3

Deuteranopia (green-blind)

#004D9E

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c50a0;
/* rgb */ color: rgb(28, 80, 160);
/* oklch */ color: oklch(44.4% 0.141 259.2);

Tailwind

colors: {
  custom: {
    50: '#6f80bd',
    500: '#1c50a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c50a0;
$custom-light: #6f80bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c50a0",
  "rgb": {
    "r": 28,
    "g": 80,
    "b": 160
  },
  "hsl": {
    "h": 216.364,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.44435,
    "c": 0.14117,
    "h": 259.2
  },
  "luminance": 0.08522
}

Semantic roles & 50–950 ramp

primary

#1C50A0

secondary

#C49853

accent

#A73BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C50A0

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

Preview Lab → · Contrast checker → · Palette generator →