#1A159E#1A159E

#1A159E is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 34.0% C 0.203 H 269.7°. Best body text is #FFFFFF at 12.77:1 contrast (WCAG AA passes).

Color values

HEX	#1A159E
RGB	rgb(26, 21, 158)
HSL	hsl(242, 77%, 35%)
HSV	hsv(242, 87%, 62%)
CMYK	cmyk(83.5%, 86.7%, 0%, 38%)
CIE-LAB	lab(20.92, 49.08, -70.15)
CIE-LCH	lch(20.92, 85.61, 304.98°)
OKLab	oklab(34% -0.0011 -0.203)
OKLCH	oklch(34% 0.203 269.7)
XYZ	xyz(6.8636, 3.2237, 32.6016)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A159E #999E15

analogous

#15549E #1A159E #5F159E

triadic

#1A159E #9E1A15 #159E1A

tetradic

#1A159E #9E1554 #999E15 #159E5F

square

#1A159E #9E1554 #999E15 #159E5F

split-complementary

#1A159E #9E5F15 #549E15

monochromatic

#080732 #110E68 #1A159E #231CD4 #4D47E7

Accessibility & contrast

On white

12.77

#1A159E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1A159E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A159E

12.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A159E	#FFFFFF	#000000	##FFFFFF
##1A159E	1.00	12.77	1.65	12.77
#FFFFFF	12.77	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A2

Deuteranopia (green-blind)

#002B9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1a159e;
/* rgb */ color: rgb(26, 21, 158);
/* oklch */ color: oklch(34.0% 0.203 269.7);

Tailwind

colors: {
  custom: {
    50: '#7358bc',
    500: '#1a159e',
    950: '#000000',
  },
}

SCSS

$custom: #1a159e;
$custom-light: #7358bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1a159e",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 158
  },
  "hsl": {
    "h": 242.19,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34,
    "c": 0.20298,
    "h": 269.7
  },
  "luminance": 0.03225
}

Semantic roles & 50–950 ramp

primary

#1A159E

secondary

#C3C747

accent

#F335EC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A159E

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

Preview Lab → · Contrast checker → · Palette generator →