#1530A1#1530A1

#1530A1 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.8% C 0.183 H 266.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#1530A1
RGB	rgb(21, 48, 161)
HSL	hsl(228, 77%, 36%)
HSV	hsv(228, 87%, 63%)
CMYK	cmyk(87%, 70.2%, 0%, 36.9%)
CIE-LAB	lab(26.29, 34.97, -63.08)
CIE-LCH	lch(26.29, 72.13, 299.00°)
OKLab	oklab(37.85% -0.0124 -0.1829)
OKLCH	oklch(37.85% 0.183 266.1)
XYZ	xyz(7.7970, 4.8456, 34.2356)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1530A1 #A18615

analogous

#1576A1 #1530A1 #4015A1

triadic

#1530A1 #A11530 #30A115

tetradic

#1530A1 #A11576 #A18615 #15A140

square

#1530A1 #A11576 #A18615 #15A140

split-complementary

#1530A1 #A14015 #76A115

monochromatic

#071035 #0E206B #1530A1 #1C40D7 #4968E7

Accessibility & contrast

On white

10.66

#1530A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1530A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1530A1

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1530A1	#FFFFFF	#000000	##FFFFFF
##1530A1	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A4

Deuteranopia (green-blind)

#00389F

Tritanopia (blue-blind)

#005064

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1530a1;
/* rgb */ color: rgb(21, 48, 161);
/* oklch */ color: oklch(37.8% 0.183 266.1);

Tailwind

colors: {
  custom: {
    50: '#7068be',
    500: '#1530a1',
    950: '#000000',
  },
}

SCSS

$custom: #1530a1;
$custom-light: #7068be;
$custom-dark: #000000;

JSON

{
  "hex": "#1530a1",
  "rgb": {
    "r": 21,
    "g": 48,
    "b": 161
  },
  "hsl": {
    "h": 228.429,
    "s": 76.923,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37846,
    "c": 0.18333,
    "h": 266.1
  },
  "luminance": 0.04847
}

Semantic roles & 50–950 ramp

primary

#1530A1

secondary

#C8B049

accent

#CF34F3

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090612

muted

#7B7A81

Preview Lab

Preview with #1530A1

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

Preview Lab → · Contrast checker → · Palette generator →