#1C52A0#1C52A0

#1C52A0 is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.9% C 0.139 H 258.3°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#1C52A0
RGB	rgb(28, 82, 160)
HSL	hsl(215, 70%, 37%)
HSV	hsv(215, 83%, 63%)
CMYK	cmyk(82.5%, 48.8%, 0%, 37.3%)
CIE-LAB	lab(35.63, 12.22, -47.24)
CIE-LCH	lch(35.63, 48.80, 284.50°)
OKLab	oklab(44.89% -0.0281 -0.1358)
OKLCH	oklch(44.89% 0.139 258.3)
XYZ	xyz(9.8390, 8.8183, 34.4344)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C52A0 #A06A1C

analogous

#1C94A0 #1C52A0 #281CA0

triadic

#1C52A0 #A01C52 #52A01C

tetradic

#1C52A0 #A01C94 #A06A1C #1CA028

square

#1C52A0 #A01C94 #A06A1C #1CA028

split-complementary

#1C52A0 #A0281C #94A01C

monochromatic

#0A1D38 #13376C #1C52A0 #256DD4 #558EE1

Accessibility & contrast

On white

7.60

#1C52A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#1C52A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C52A0

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C52A0	#FFFFFF	#000000	##FFFFFF
##1C52A0	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255AA3

Deuteranopia (green-blind)

#004E9E

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #1c52a0;
/* rgb */ color: rgb(28, 82, 160);
/* oklch */ color: oklch(44.9% 0.139 258.3);

Tailwind

colors: {
  custom: {
    50: '#6f82bd',
    500: '#1c52a0',
    950: '#000000',
  },
}

SCSS

$custom: #1c52a0;
$custom-light: #6f82bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1c52a0",
  "rgb": {
    "r": 28,
    "g": 82,
    "b": 160
  },
  "hsl": {
    "h": 215.455,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.44886,
    "c": 0.13871,
    "h": 258.3
  },
  "luminance": 0.0882
}

Semantic roles & 50–950 ramp

primary

#1C52A0

secondary

#C49653

accent

#A43BED

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1C52A0

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

Preview Lab → · Contrast checker → · Palette generator →