#153A6E#153A6E

#153A6E is a dark, moderate blue. Relative luminance 0.043; OKLCH L 35.3% C 0.100 H 257.7°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#153A6E
RGB	rgb(21, 58, 110)
HSL	hsl(215, 68%, 26%)
HSV	hsv(215, 81%, 43%)
CMYK	cmyk(80.9%, 47.3%, 0%, 56.9%)
CIE-LAB	lab(24.67, 7.37, -33.93)
CIE-LCH	lch(24.67, 34.72, 282.25°)
OKLab	oklab(35.28% -0.0213 -0.0973)
OKLCH	oklch(35.28% 0.1 257.7)
XYZ	xyz(4.6358, 4.3108, 15.3366)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A6E #6E4915

analogous

#15666E #153A6E #1C156E

triadic

#153A6E #6E153A #3A6E15

tetradic

#153A6E #6E1566 #6E4915 #156E1C

square

#153A6E #6E1566 #6E4915 #156E1C

split-complementary

#153A6E #6E1C15 #666E15

monochromatic

#050E1A #0B1F3B #153A6E #1F55A1 #2970D5

Accessibility & contrast

On white

11.28

#153A6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#153A6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A6E

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A6E	#FFFFFF	#000000	##FFFFFF
##153A6E	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F3F70

Deuteranopia (green-blind)

#0C376D

Tritanopia (blue-blind)

#00464E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153a6e;
/* rgb */ color: rgb(21, 58, 110);
/* oklch */ color: oklch(35.3% 0.100 257.7);

Tailwind

colors: {
  custom: {
    50: '#616f98',
    500: '#153a6e',
    950: '#000000',
  },
}

SCSS

$custom: #153a6e;
$custom-light: #616f98;
$custom-dark: #000000;

JSON

{
  "hex": "#153a6e",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 110
  },
  "hsl": {
    "h": 215.056,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35277,
    "c": 0.09958,
    "h": 257.7
  },
  "luminance": 0.04311
}

Semantic roles & 50–950 ramp

primary

#153A6E

secondary

#A4783A

accent

#A33DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153A6E

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

Preview Lab → · Contrast checker → · Palette generator →