#15407E#15407E

#15407E is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.115 H 258.2°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#15407E
RGB	rgb(21, 64, 126)
HSL	hsl(215, 71%, 29%)
HSV	hsv(215, 83%, 49%)
CMYK	cmyk(83.3%, 49.2%, 0%, 50.6%)
CIE-LAB	lab(27.66, 9.86, -39.26)
CIE-LCH	lch(27.66, 40.48, 284.10°)
OKLab	oklab(37.94% -0.0235 -0.1128)
OKLCH	oklch(37.94% 0.115 258.2)
XYZ	xyz(5.9072, 5.3319, 20.4524)
Luminance	0.0533 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15407E #7E5315

analogous

#15757E #15407E #1F157E

triadic

#15407E #7E1540 #407E15

tetradic

#15407E #7E1575 #7E5315 #157E1F

square

#15407E #7E1575 #7E5315 #157E1F

split-complementary

#15407E #7E1F15 #757E15

monochromatic

#040D1A #0C254A #15407E #1E5BB2 #3177DD

Accessibility & contrast

On white

10.16

#15407E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#15407E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15407E

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15407E	#FFFFFF	#000000	##FFFFFF
##15407E	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4680

Deuteranopia (green-blind)

#003D7D

Tritanopia (blue-blind)

#004F59

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #15407e;
/* rgb */ color: rgb(21, 64, 126);
/* oklch */ color: oklch(37.9% 0.115 258.2);

Tailwind

colors: {
  custom: {
    50: '#6574a4',
    500: '#15407e',
    950: '#000000',
  },
}

SCSS

$custom: #15407e;
$custom-light: #6574a4;
$custom-dark: #000000;

JSON

{
  "hex": "#15407e",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 126
  },
  "hsl": {
    "h": 215.429,
    "s": 71.429,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37938,
    "c": 0.11526,
    "h": 258.2
  },
  "luminance": 0.05333
}

Semantic roles & 50–950 ramp

primary

#15407E

secondary

#B3823C

accent

#A43AEE

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #15407E

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

Preview Lab → · Contrast checker → · Palette generator →