#1A158E#1A158E

#1A158E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 32.0% C 0.184 H 270.8°. Best body text is #FFFFFF at 13.62:1 contrast (WCAG AA passes).

Color values

HEX	#1A158E
RGB	rgb(26, 21, 142)
HSL	hsl(242, 74%, 32%)
HSV	hsv(242, 85%, 56%)
CMYK	cmyk(81.7%, 85.2%, 0%, 44.3%)
CIE-LAB	lab(18.84, 44.12, -63.72)
CIE-LCH	lch(18.84, 77.50, 304.70°)
OKLab	oklab(31.98% 0.0027 -0.1844)
OKLCH	oklch(31.98% 0.184 270.8)
XYZ	xyz(5.5750, 2.7083, 25.8149)
Luminance	0.0271 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A158E #898E15

analogous

#154D8E #1A158E #56158E

triadic

#1A158E #8E1A15 #158E1A

tetradic

#1A158E #8E154D #898E15 #158E56

square

#1A158E #8E154D #898E15 #158E56

split-complementary

#1A158E #8E5615 #4D8E15

monochromatic

#060523 #100D59 #1A158E #241DC3 #423BE2

Accessibility & contrast

On white

13.62

#1A158E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#1A158E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A158E

13.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A158E	#FFFFFF	#000000	##FFFFFF
##1A158E	1.00	13.62	1.54	13.62
#FFFFFF	13.62	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003491

Deuteranopia (green-blind)

#00288C

Tritanopia (blue-blind)

#003D53

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1a158e;
/* rgb */ color: rgb(26, 21, 142);
/* oklch */ color: oklch(32.0% 0.184 270.8);

Tailwind

colors: {
  custom: {
    50: '#6f57b0',
    500: '#1a158e',
    950: '#000000',
  },
}

SCSS

$custom: #1a158e;
$custom-light: #6f57b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a158e",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 142
  },
  "hsl": {
    "h": 242.479,
    "s": 74.233,
    "l": 31.961
  },
  "oklch": {
    "l": 0.31975,
    "c": 0.18443,
    "h": 270.8
  },
  "luminance": 0.02709
}

Semantic roles & 50–950 ramp

primary

#1A158E

secondary

#BCC23D

accent

#F137E9

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090311

muted

#7B7880

Preview Lab

Preview with #1A158E

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

Preview Lab → · Contrast checker → · Palette generator →