#153D6A#153D6A

#153D6A is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.090 H 253.8°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#153D6A
RGB	rgb(21, 61, 106)
HSL	hsl(212, 67%, 25%)
HSV	hsv(212, 80%, 42%)
CMYK	cmyk(80.2%, 42.5%, 0%, 58.4%)
CIE-LAB	lab(25.37, 3.60, -30.25)
CIE-LCH	lch(25.37, 30.46, 276.78°)
OKLab	oklab(35.74% -0.0251 -0.0864)
OKLCH	oklch(35.74% 0.09 253.8)
XYZ	xyz(4.5786, 4.5370, 14.2673)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153D6A #6A4215

analogous

#15676A #153D6A #18156A

triadic

#153D6A #6A153D #3D6A15

tetradic

#153D6A #6A1567 #6A4215 #156A18

square

#153D6A #6A1567 #6A4215 #156A18

split-complementary

#153D6A #6A1815 #676A15

monochromatic

#050F1A #0B2037 #153D6A #1F5A9D #2978D0

Accessibility & contrast

On white

11.01

#153D6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#153D6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153D6A

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153D6A	#FFFFFF	#000000	##FFFFFF
##153D6A	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27406C

Deuteranopia (green-blind)

#1A3969

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #153d6a;
/* rgb */ color: rgb(21, 61, 106);
/* oklch */ color: oklch(35.7% 0.090 253.8);

Tailwind

colors: {
  custom: {
    50: '#607295',
    500: '#153d6a',
    950: '#000000',
  },
}

SCSS

$custom: #153d6a;
$custom-light: #607295;
$custom-dark: #000000;

JSON

{
  "hex": "#153d6a",
  "rgb": {
    "r": 21,
    "g": 61,
    "b": 106
  },
  "hsl": {
    "h": 211.765,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35735,
    "c": 0.08997,
    "h": 253.8
  },
  "luminance": 0.04538
}

Semantic roles & 50–950 ramp

primary

#153D6A

secondary

#A1703A

accent

#993EEA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #153D6A

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

Preview Lab → · Contrast checker → · Palette generator →