#1535B4#1535B4

#1535B4 is a dark, highly saturated blue. Relative luminance 0.060; OKLCH L 40.7% C 0.202 H 265.6°. Best body text is #FFFFFF at 9.54:1 contrast (WCAG AA passes).

Color values

HEX	#1535B4
RGB	rgb(21, 53, 180)
HSL	hsl(228, 79%, 39%)
HSV	hsv(228, 88%, 71%)
CMYK	cmyk(88.3%, 70.6%, 0%, 29.4%)
CIE-LAB	lab(29.41, 38.86, -69.36)
CIE-LCH	lch(29.41, 79.50, 299.26°)
OKLab	oklab(40.7% -0.0154 -0.2011)
OKLCH	oklch(40.7% 0.202 265.6)
XYZ	xyz(9.8177, 5.9997, 43.8118)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 7.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1535B4 #B49415

analogous

#1584B4 #1535B4 #4515B4

triadic

#1535B4 #B41535 #35B415

tetradic

#1535B4 #B41584 #B49415 #15B445

square

#1535B4 #B41584 #B49415 #15B445

split-complementary

#1535B4 #B44515 #84B415

monochromatic

#081546 #0F257D #1535B4 #2149E5 #5876EC

Accessibility & contrast

On white

9.54

#1535B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#1535B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1535B4

9.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1535B4	#FFFFFF	#000000	##FFFFFF
##1535B4	1.00	9.54	2.20	9.54
#FFFFFF	9.54	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#003EB2

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1535b4;
/* rgb */ color: rgb(21, 53, 180);
/* oklch */ color: oklch(40.7% 0.202 265.6);

Tailwind

colors: {
  custom: {
    50: '#756ccc',
    500: '#1535b4',
    950: '#000000',
  },
}

SCSS

$custom: #1535b4;
$custom-light: #756ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#1535b4",
  "rgb": {
    "r": 21,
    "g": 53,
    "b": 180
  },
  "hsl": {
    "h": 227.925,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40695,
    "c": 0.20174,
    "h": 265.6
  },
  "luminance": 0.06001
}

Semantic roles & 50–950 ramp

primary

#1535B4

secondary

#CFB656

accent

#CE32F6

background

#F7F6FC

surface

#EEEBF9

border

#C9C6D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1535B4

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

Preview Lab → · Contrast checker → · Palette generator →