#15407D#15407D

#15407D is a dark, moderate blue. Relative luminance 0.053; OKLCH L 37.9% C 0.114 H 258.0°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#15407D
RGB	rgb(21, 64, 125)
HSL	hsl(215, 71%, 29%)
HSV	hsv(215, 83%, 49%)
CMYK	cmyk(83.2%, 48.8%, 0%, 51%)
CIE-LAB	lab(27.59, 9.45, -38.75)
CIE-LCH	lch(27.59, 39.89, 283.70°)
OKLab	oklab(37.86% -0.0237 -0.1113)
OKLCH	oklch(37.86% 0.114 258)
XYZ	xyz(5.8430, 5.3062, 20.1143)
Luminance	0.0531 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15407D #7D5215

analogous

#15747D #15407D #1E157D

triadic

#15407D #7D1540 #407D15

tetradic

#15407D #7D1574 #7D5215 #157D1E

square

#15407D #7D1574 #7D5215 #157D1E

split-complementary

#15407D #7D1E15 #747D15

monochromatic

#040D1A #0C2549 #15407D #1E5BB1 #3077DC

Accessibility & contrast

On white

10.19

#15407D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#15407D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15407D

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15407D	#FFFFFF	#000000	##FFFFFF
##15407D	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E467F

Deuteranopia (green-blind)

#003D7C

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #15407d;
/* rgb */ color: rgb(21, 64, 125);
/* oklch */ color: oklch(37.9% 0.114 258.0);

Tailwind

colors: {
  custom: {
    50: '#6574a3',
    500: '#15407d',
    950: '#000000',
  },
}

SCSS

$custom: #15407d;
$custom-light: #6574a3;
$custom-dark: #000000;

JSON

{
  "hex": "#15407d",
  "rgb": {
    "r": 21,
    "g": 64,
    "b": 125
  },
  "hsl": {
    "h": 215.192,
    "s": 71.233,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37862,
    "c": 0.11382,
    "h": 258
  },
  "luminance": 0.05307
}

Semantic roles & 50–950 ramp

primary

#15407D

secondary

#B2813C

accent

#A33AEE

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #15407D

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

Preview Lab → · Contrast checker → · Palette generator →