#153C6E#153C6E

#153C6E is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.8% C 0.097 H 256.2°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#153C6E
RGB	rgb(21, 60, 110)
HSL	hsl(214, 68%, 26%)
HSV	hsv(214, 81%, 43%)
CMYK	cmyk(80.9%, 45.5%, 0%, 56.9%)
CIE-LAB	lab(25.31, 5.96, -32.91)
CIE-LCH	lch(25.31, 33.45, 280.27°)
OKLab	oklab(35.77% -0.0231 -0.0942)
OKLCH	oklch(35.77% 0.097 256.2)
XYZ	xyz(4.7386, 4.5164, 15.3708)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C6E #6E4715

analogous

#15686E #153C6E #1A156E

triadic

#153C6E #6E153C #3C6E15

tetradic

#153C6E #6E1568 #6E4715 #156E1A

square

#153C6E #6E1568 #6E4715 #156E1A

split-complementary

#153C6E #6E1A15 #686E15

monochromatic

#050E1A #0B203B #153C6E #1F58A1 #2974D5

Accessibility & contrast

On white

11.03

#153C6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#153C6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C6E

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C6E	#FFFFFF	#000000	##FFFFFF
##153C6E	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#234070

Deuteranopia (green-blind)

#12386D

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153c6e;
/* rgb */ color: rgb(21, 60, 110);
/* oklch */ color: oklch(35.8% 0.097 256.2);

Tailwind

colors: {
  custom: {
    50: '#617198',
    500: '#153c6e',
    950: '#000000',
  },
}

SCSS

$custom: #153c6e;
$custom-light: #617198;
$custom-dark: #000000;

JSON

{
  "hex": "#153c6e",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 110
  },
  "hsl": {
    "h": 213.708,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3577,
    "c": 0.09704,
    "h": 256.2
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#153C6E

secondary

#A4763A

accent

#9F3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153C6E

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

Preview Lab → · Contrast checker → · Palette generator →