#152D4B#152D4B

#152D4B is a dark, moderate cyan. Relative luminance 0.025; OKLCH L 29.4% C 0.063 H 255.0°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#152D4B
RGB	rgb(21, 45, 75)
HSL	hsl(213, 56%, 19%)
HSV	hsv(213, 72%, 29%)
CMYK	cmyk(72%, 40%, 0%, 70.6%)
CIE-LAB	lab(18.12, 1.98, -21.35)
CIE-LCH	lch(18.12, 21.44, 275.31°)
OKLab	oklab(29.45% -0.0162 -0.0606)
OKLCH	oklch(29.45% 0.063 255)
XYZ	xyz(2.5172, 2.5440, 7.0136)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#152D4B #4B3315

analogous

#15484B #152D4B #18154B

triadic

#152D4B #4B152D #2D4B15

tetradic

#152D4B #4B1548 #4B3315 #154B18

square

#152D4B #4B1548 #4B3315 #154B18

split-complementary

#152D4B #4B1815 #484B15

monochromatic

#070E18 #08101B #152D4B #224A7B #3066AB

Accessibility & contrast

On white

13.92

#152D4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#152D4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #152D4B

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##152D4B	#FFFFFF	#000000	##FFFFFF
##152D4B	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202F4C

Deuteranopia (green-blind)

#182A4A

Tritanopia (blue-blind)

#003438

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #152d4b;
/* rgb */ color: rgb(21, 45, 75);
/* oklch */ color: oklch(29.4% 0.063 255.0);

Tailwind

colors: {
  custom: {
    50: '#59657d',
    500: '#152d4b',
    950: '#000000',
  },
}

SCSS

$custom: #152d4b;
$custom-light: #59657d;
$custom-dark: #000000;

JSON

{
  "hex": "#152d4b",
  "rgb": {
    "r": 21,
    "g": 45,
    "b": 75
  },
  "hsl": {
    "h": 213.333,
    "s": 56.25,
    "l": 18.824
  },
  "oklch": {
    "l": 0.29445,
    "c": 0.06273,
    "h": 255
  },
  "luminance": 0.02544
}

Semantic roles & 50–950 ramp

primary

#152D4B

secondary

#836239

accent

#9C48E0

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040509

muted

#797A7B

Preview Lab

Preview with #152D4B

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

Preview Lab → · Contrast checker → · Palette generator →