#15276E#15276E

#15276E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 30.9% C 0.125 H 267.4°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#15276E
RGB	rgb(21, 39, 110)
HSL	hsl(228, 68%, 26%)
HSV	hsv(228, 81%, 43%)
CMYK	cmyk(80.9%, 64.5%, 0%, 56.9%)
CIE-LAB	lab(18.95, 21.03, -43.20)
CIE-LCH	lch(18.95, 48.05, 295.96°)
OKLab	oklab(30.94% -0.0057 -0.1249)
OKLCH	oklch(30.94% 0.125 267.4)
XYZ	xyz(3.8483, 2.7358, 15.0741)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15276E #6E5C15

analogous

#15536E #15276E #2F156E

triadic

#15276E #6E1527 #276E15

tetradic

#15276E #6E1553 #6E5C15 #156E2F

square

#15276E #6E1553 #6E5C15 #156E2F

split-complementary

#15276E #6E2F15 #536E15

monochromatic

#05091A #0B153B #15276E #1F39A1 #294BD5

Accessibility & contrast

On white

13.57

#15276E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#15276E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15276E

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15276E	#FFFFFF	#000000	##FFFFFF
##15276E	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003270

Deuteranopia (green-blind)

#002A6D

Tritanopia (blue-blind)

#003946

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #15276e;
/* rgb */ color: rgb(21, 39, 110);
/* oklch */ color: oklch(30.9% 0.125 267.4);

Tailwind

colors: {
  custom: {
    50: '#626098',
    500: '#15276e',
    950: '#000000',
  },
}

SCSS

$custom: #15276e;
$custom-light: #626098;
$custom-dark: #000000;

JSON

{
  "hex": "#15276e",
  "rgb": {
    "r": 21,
    "g": 39,
    "b": 110
  },
  "hsl": {
    "h": 227.865,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.30939,
    "c": 0.12501,
    "h": 267.4
  },
  "luminance": 0.02736
}

Semantic roles & 50–950 ramp

primary

#15276E

secondary

#A48F3A

accent

#C83DEB

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #15276E

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

Preview Lab → · Contrast checker → · Palette generator →