#15409E#15409E

#15409E is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.160 H 262.8°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#15409E
RGB	rgb(21, 64, 158)
HSL	hsl(221, 77%, 35%)
HSV	hsv(221, 87%, 62%)
CMYK	cmyk(86.7%, 59.5%, 0%, 38%)
CIE-LAB	lab(30.14, 23.05, -54.95)
CIE-LCH	lch(30.14, 59.59, 292.76°)
OKLab	oklab(40.61% -0.0199 -0.1589)
OKLCH	oklch(40.61% 0.16 262.8)
XYZ	xyz(8.3120, 6.2938, 33.1179)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15409E #9E7315

analogous

#15849E #15409E #2F159E

triadic

#15409E #9E1540 #409E15

tetradic

#15409E #9E1584 #9E7315 #159E2F

square

#15409E #9E1584 #9E7315 #159E2F

split-complementary

#15409E #9E2F15 #849E15

monochromatic

#071432 #0E2A68 #15409E #1C56D4 #4779E7

Accessibility & contrast

On white

9.30

#15409E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#15409E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15409E

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15409E	#FFFFFF	#000000	##FFFFFF
##15409E	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA1

Deuteranopia (green-blind)

#00419C

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #15409e;
/* rgb */ color: rgb(21, 64, 158);
/* oklch */ color: oklch(40.6% 0.160 262.8);

Tailwind

colors: {
  custom: {
    50: '#6e74bb',
    500: '#15409e',
    950: '#000000',
  },
}

SCSS

$custom: #15409e;
$custom-light: #6e74bb;
$custom-dark: #000000;

JSON

{
  "hex": "#15409e",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 158
  },
  "hsl": {
    "h": 221.168,
    "s": 76.536,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40608,
    "c": 0.1602,
    "h": 262.8
  },
  "luminance": 0.06295
}

Semantic roles & 50–950 ramp

primary

#15409E

secondary

#C79F47

accent

#B735F3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #15409E

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

Preview Lab → · Contrast checker → · Palette generator →