#1D159E#1D159E

#1D159E is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.2% C 0.202 H 270.7°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#1D159E
RGB	rgb(29, 21, 158)
HSL	hsl(244, 77%, 35%)
HSV	hsv(244, 87%, 62%)
CMYK	cmyk(81.6%, 86.7%, 0%, 38%)
CIE-LAB	lab(21.08, 49.21, -69.88)
CIE-LCH	lch(21.08, 85.47, 305.15°)
OKLab	oklab(34.15% 0.0023 -0.2022)
OKLCH	oklch(34.15% 0.202 270.7)
XYZ	xyz(6.9443, 3.2654, 32.6054)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D159E #969E15

analogous

#15519E #1D159E #62159E

triadic

#1D159E #9E1D15 #159E1D

tetradic

#1D159E #9E1551 #969E15 #159E62

square

#1D159E #9E1551 #969E15 #159E62

split-complementary

#1D159E #9E6215 #519E15

monochromatic

#090732 #130E68 #1D159E #271CD4 #5047E7

Accessibility & contrast

On white

12.70

#1D159E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D159E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D159E

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D159E	#FFFFFF	#000000	##FFFFFF
##1D159E	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A2

Deuteranopia (green-blind)

#002C9C

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d159e;
/* rgb */ color: rgb(29, 21, 158);
/* oklch */ color: oklch(34.2% 0.202 270.7);

Tailwind

colors: {
  custom: {
    50: '#7458bc',
    500: '#1d159e',
    950: '#000000',
  },
}

SCSS

$custom: #1d159e;
$custom-light: #7458bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d159e",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 158
  },
  "hsl": {
    "h": 243.504,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34151,
    "c": 0.20217,
    "h": 270.7
  },
  "luminance": 0.03266
}

Semantic roles & 50–950 ramp

primary

#1D159E

secondary

#C0C747

accent

#F335E8

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D159E

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

Preview Lab → · Contrast checker → · Palette generator →