#1535A1#1535A1

#1535A1 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.7% C 0.178 H 265.3°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#1535A1
RGB	rgb(21, 53, 161)
HSL	hsl(226, 77%, 36%)
HSV	hsv(226, 87%, 63%)
CMYK	cmyk(87%, 67.1%, 0%, 36.9%)
CIE-LAB	lab(27.51, 31.69, -61.07)
CIE-LCH	lch(27.51, 68.81, 297.42°)
OKLab	oklab(38.74% -0.0144 -0.177)
OKLCH	oklch(38.74% 0.178 265.3)
XYZ	xyz(8.0131, 5.2778, 34.3077)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1535A1 #A18115

analogous

#157BA1 #1535A1 #3B15A1

triadic

#1535A1 #A11535 #35A115

tetradic

#1535A1 #A1157B #A18115 #15A13B

square

#1535A1 #A1157B #A18115 #15A13B

split-complementary

#1535A1 #A13B15 #7BA115

monochromatic

#071135 #0E236B #1535A1 #1C47D7 #496DE7

Accessibility & contrast

On white

10.22

#1535A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#1535A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1535A1

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1535A1	#FFFFFF	#000000	##FFFFFF
##1535A1	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A4

Deuteranopia (green-blind)

#003A9F

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1535a1;
/* rgb */ color: rgb(21, 53, 161);
/* oklch */ color: oklch(38.7% 0.178 265.3);

Tailwind

colors: {
  custom: {
    50: '#706cbe',
    500: '#1535a1',
    950: '#000000',
  },
}

SCSS

$custom: #1535a1;
$custom-light: #706cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1535a1",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 161
  },
  "hsl": {
    "h": 226.286,
    "s": 76.923,
    "l": 35.686
  },
  "oklch": {
    "l": 0.38738,
    "c": 0.1776,
    "h": 265.3
  },
  "luminance": 0.05279
}

Semantic roles & 50–950 ramp

primary

#1535A1

secondary

#C8AB49

accent

#C834F3

background

#F7F6FB

surface

#EDEBF7

border

#C8C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #1535A1

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

Preview Lab → · Contrast checker → · Palette generator →