#152C5E#152C5E

#152C5E is a dark, moderate blue. Relative luminance 0.028; OKLCH L 30.6% C 0.094 H 263.3°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#152C5E
RGB	rgb(21, 44, 94)
HSL	hsl(221, 63%, 23%)
HSV	hsv(221, 78%, 37%)
CMYK	cmyk(77.7%, 53.2%, 0%, 63.1%)
CIE-LAB	lab(19.09, 10.69, -32.51)
CIE-LCH	lch(19.09, 34.22, 288.20°)
OKLab	oklab(30.62% -0.0109 -0.0934)
OKLCH	oklch(30.62% 0.094 263.3)
XYZ	xyz(3.2296, 2.7686, 10.9517)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152C5E #5E4715

analogous

#15505E #152C5E #23155E

triadic

#152C5E #5E152C #2C5E15

tetradic

#152C5E #5E1550 #5E4715 #155E23

square

#152C5E #5E1550 #5E4715 #155E23

split-complementary

#152C5E #5E2315 #505E15

monochromatic

#060C19 #0A152C #152C5E #204390 #2B5BC2

Accessibility & contrast

On white

13.52

#152C5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#152C5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152C5E

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152C5E	#FFFFFF	#000000	##FFFFFF
##152C5E	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F3260

Deuteranopia (green-blind)

#002B5D

Tritanopia (blue-blind)

#003840

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #152c5e;
/* rgb */ color: rgb(21, 44, 94);
/* oklch */ color: oklch(30.6% 0.094 263.3);

Tailwind

colors: {
  custom: {
    50: '#5e648c',
    500: '#152c5e',
    950: '#000000',
  },
}

SCSS

$custom: #152c5e;
$custom-light: #5e648c;
$custom-dark: #000000;

JSON

{
  "hex": "#152c5e",
  "rgb": {
    "r": 21,
    "g": 44,
    "b": 94
  },
  "hsl": {
    "h": 221.096,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.30619,
    "c": 0.09402,
    "h": 263.3
  },
  "luminance": 0.02769
}

Semantic roles & 50–950 ramp

primary

#152C5E

secondary

#957839

accent

#B241E7

background

#F5F5F8

surface

#EAEAF0

border

#C6C6CB

text

#05050C

muted

#79797D

Preview Lab

Preview with #152C5E

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

Preview Lab → · Contrast checker → · Palette generator →