#153A6A#153A6A

#153A6A is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 35.0% C 0.094 H 256.3°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#153A6A
RGB	rgb(21, 58, 106)
HSL	hsl(214, 67%, 25%)
HSV	hsv(214, 80%, 42%)
CMYK	cmyk(80.2%, 45.3%, 0%, 58.4%)
CIE-LAB	lab(24.40, 5.69, -31.80)
CIE-LCH	lch(24.40, 32.30, 280.14°)
OKLab	oklab(34.98% -0.0221 -0.091)
OKLCH	oklch(34.98% 0.094 256.3)
XYZ	xyz(4.4229, 4.2256, 14.2154)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153A6A #6A4515

analogous

#15656A #153A6A #1A156A

triadic

#153A6A #6A153A #3A6A15

tetradic

#153A6A #6A1565 #6A4515 #156A1A

square

#153A6A #6A1565 #6A4515 #156A1A

split-complementary

#153A6A #6A1A15 #656A15

monochromatic

#050E1A #0B1E37 #153A6A #1F569D #2972D0

Accessibility & contrast

On white

11.38

#153A6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153A6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153A6A

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153A6A	#FFFFFF	#000000	##FFFFFF
##153A6A	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223E6C

Deuteranopia (green-blind)

#133669

Tritanopia (blue-blind)

#00454C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153a6a;
/* rgb */ color: rgb(21, 58, 106);
/* oklch */ color: oklch(35.0% 0.094 256.3);

Tailwind

colors: {
  custom: {
    50: '#606f95',
    500: '#153a6a',
    950: '#000000',
  },
}

SCSS

$custom: #153a6a;
$custom-light: #606f95;
$custom-dark: #000000;

JSON

{
  "hex": "#153a6a",
  "rgb": {
    "r": 21,
    "g": 58,
    "b": 106
  },
  "hsl": {
    "h": 213.882,
    "s": 66.929,
    "l": 24.902
  },
  "oklch": {
    "l": 0.34982,
    "c": 0.09367,
    "h": 256.3
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#153A6A

secondary

#A1743A

accent

#9F3EEA

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #153A6A

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

Preview Lab → · Contrast checker → · Palette generator →