#153D6D#153D6D

#153D6D is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.9% C 0.094 H 255.0°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#153D6D
RGB	rgb(21, 61, 109)
HSL	hsl(213, 68%, 25%)
HSV	hsv(213, 81%, 43%)
CMYK	cmyk(80.7%, 44%, 0%, 57.3%)
CIE-LAB	lab(25.56, 4.85, -31.87)
CIE-LCH	lch(25.56, 32.23, 278.65°)
OKLab	oklab(35.95% -0.0243 -0.0911)
OKLCH	oklch(35.95% 0.094 255)
XYZ	xyz(4.7373, 4.6005, 15.1033)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D6D #6D4515

analogous

#15696D #153D6D #19156D

triadic

#153D6D #6D153D #3D6D15

tetradic

#153D6D #6D1569 #6D4515 #156D19

square

#153D6D #6D1569 #6D4515 #156D19

split-complementary

#153D6D #6D1915 #696D15

monochromatic

#050E1A #0B203A #153D6D #1F5AA0 #2976D4

Accessibility & contrast

On white

10.94

#153D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#153D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D6D

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D6D	#FFFFFF	#000000	##FFFFFF
##153D6D	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25416F

Deuteranopia (green-blind)

#16396C

Tritanopia (blue-blind)

#00484F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #153d6d;
/* rgb */ color: rgb(21, 61, 109);
/* oklch */ color: oklch(35.9% 0.094 255.0);

Tailwind

colors: {
  custom: {
    50: '#617297',
    500: '#153d6d',
    950: '#000000',
  },
}

SCSS

$custom: #153d6d;
$custom-light: #617297;
$custom-dark: #000000;

JSON

{
  "hex": "#153d6d",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 109
  },
  "hsl": {
    "h": 212.727,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35947,
    "c": 0.09434,
    "h": 255
  },
  "luminance": 0.04601
}

Semantic roles & 50–950 ramp

primary

#153D6D

secondary

#A3743A

accent

#9C3DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153D6D

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

Preview Lab → · Contrast checker → · Palette generator →