#153B6D#153B6D

#153B6D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.097 H 256.6°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#153B6D
RGB	rgb(21, 59, 109)
HSL	hsl(214, 68%, 25%)
HSV	hsv(214, 81%, 43%)
CMYK	cmyk(80.7%, 45.9%, 0%, 57.3%)
CIE-LAB	lab(24.92, 6.24, -32.89)
CIE-LCH	lch(24.92, 33.48, 280.75°)
OKLab	oklab(35.45% -0.0224 -0.0942)
OKLCH	oklch(35.45% 0.097 256.6)
XYZ	xyz(4.6325, 4.3909, 15.0684)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B6D #6D4715

analogous

#15676D #153B6D #1B156D

triadic

#153B6D #6D153B #3B6D15

tetradic

#153B6D #6D1567 #6D4715 #156D1B

square

#153B6D #6D1567 #6D4715 #156D1B

split-complementary

#153B6D #6D1B15 #676D15

monochromatic

#050E1A #0B1F3A #153B6D #1F57A0 #2973D4

Accessibility & contrast

On white

11.18

#153B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#153B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B6D

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B6D	#FFFFFF	#000000	##FFFFFF
##153B6D	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6F

Deuteranopia (green-blind)

#11376C

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153b6d;
/* rgb */ color: rgb(21, 59, 109);
/* oklch */ color: oklch(35.4% 0.097 256.6);

Tailwind

colors: {
  custom: {
    50: '#617097',
    500: '#153b6d',
    950: '#000000',
  },
}

SCSS

$custom: #153b6d;
$custom-light: #617097;
$custom-dark: #000000;

JSON

{
  "hex": "#153b6d",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 109
  },
  "hsl": {
    "h": 214.091,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35449,
    "c": 0.09683,
    "h": 256.6
  },
  "luminance": 0.04391
}

Semantic roles & 50–950 ramp

primary

#153B6D

secondary

#A3763A

accent

#A03DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153B6D

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

Preview Lab → · Contrast checker → · Palette generator →