#1534B4#1534B4

#1534B4 is a dark, highly saturated blue. Relative luminance 0.059; OKLCH L 40.5% C 0.203 H 265.7°. Best body text is #FFFFFF at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#1534B4
RGB	rgb(21, 52, 180)
HSL	hsl(228, 79%, 39%)
HSV	hsv(228, 88%, 71%)
CMYK	cmyk(88.3%, 71.1%, 0%, 29.4%)
CIE-LAB	lab(29.18, 39.49, -69.73)
CIE-LCH	lch(29.18, 80.14, 299.52°)
OKLab	oklab(40.53% -0.0151 -0.2023)
OKLCH	oklch(40.53% 0.203 265.7)
XYZ	xyz(9.7726, 5.9094, 43.7967)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1534B4 #B49515

analogous

#1584B4 #1534B4 #4615B4

triadic

#1534B4 #B41534 #34B415

tetradic

#1534B4 #B41584 #B49515 #15B446

square

#1534B4 #B41584 #B49515 #15B446

split-complementary

#1534B4 #B44615 #84B415

monochromatic

#081446 #0F247D #1534B4 #2147E5 #5875EC

Accessibility & contrast

On white

9.62

#1534B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#1534B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1534B4

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1534B4	#FFFFFF	#000000	##FFFFFF
##1534B4	1.00	9.62	2.18	9.62
#FFFFFF	9.62	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CB8

Deuteranopia (green-blind)

#003DB2

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1534b4;
/* rgb */ color: rgb(21, 52, 180);
/* oklch */ color: oklch(40.5% 0.203 265.7);

Tailwind

colors: {
  custom: {
    50: '#756ccc',
    500: '#1534b4',
    950: '#000000',
  },
}

SCSS

$custom: #1534b4;
$custom-light: #756ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#1534b4",
  "rgb": {
    "r": 21,
    "g": 52,
    "b": 180
  },
  "hsl": {
    "h": 228.302,
    "s": 79.104,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40529,
    "c": 0.20281,
    "h": 265.7
  },
  "luminance": 0.05911
}

Semantic roles & 50–950 ramp

primary

#1534B4

secondary

#CFB756

accent

#CF32F6

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #1534B4

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

Preview Lab → · Contrast checker → · Palette generator →