#153A6D#153A6D

#153A6D is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.098 H 257.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#153A6D
RGB	rgb(21, 58, 109)
HSL	hsl(215, 68%, 25%)
HSV	hsv(215, 81%, 43%)
CMYK	cmyk(80.7%, 46.8%, 0%, 57.3%)
CIE-LAB	lab(24.61, 6.95, -33.40)
CIE-LCH	lch(24.61, 34.12, 281.75°)
OKLab	oklab(35.2% -0.0215 -0.0957)
OKLCH	oklch(35.2% 0.098 257.3)
XYZ	xyz(4.5816, 4.2891, 15.0515)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A6D #6D4815

analogous

#15666D #153A6D #1C156D

triadic

#153A6D #6D153A #3A6D15

tetradic

#153A6D #6D1566 #6D4815 #156D1C

square

#153A6D #6D1566 #6D4815 #156D1C

split-complementary

#153A6D #6D1C15 #666D15

monochromatic

#050E1A #0B1F3A #153A6D #1F55A0 #2971D4

Accessibility & contrast

On white

11.30

#153A6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153A6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A6D

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A6D	#FFFFFF	#000000	##FFFFFF
##153A6D	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203F6F

Deuteranopia (green-blind)

#0E376C

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153a6d;
/* rgb */ color: rgb(21, 58, 109);
/* oklch */ color: oklch(35.2% 0.098 257.3);

Tailwind

colors: {
  custom: {
    50: '#616f97',
    500: '#153a6d',
    950: '#000000',
  },
}

SCSS

$custom: #153a6d;
$custom-light: #616f97;
$custom-dark: #000000;

JSON

{
  "hex": "#153a6d",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 109
  },
  "hsl": {
    "h": 214.773,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35203,
    "c": 0.0981,
    "h": 257.3
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary

#153A6D

secondary

#A3773A

accent

#A23DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153A6D

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

Preview Lab → · Contrast checker → · Palette generator →