#153F6D#153F6D

#153F6D is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.4% C 0.092 H 253.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#153F6D
RGB	rgb(21, 63, 109)
HSL	hsl(211, 68%, 25%)
HSV	hsv(211, 81%, 43%)
CMYK	cmyk(80.7%, 42.2%, 0%, 57.3%)
CIE-LAB	lab(26.21, 3.47, -30.84)
CIE-LCH	lch(26.21, 31.03, 276.41°)
OKLab	oklab(36.45% -0.0263 -0.0881)
OKLCH	oklch(36.45% 0.092 253.4)
XYZ	xyz(4.8461, 4.8180, 15.1396)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153F6D #6D4315

analogous

#156B6D #153F6D #17156D

triadic

#153F6D #6D153F #3F6D15

tetradic

#153F6D #6D156B #6D4315 #156D17

square

#153F6D #6D156B #6D4315 #156D17

split-complementary

#153F6D #6D1715 #6B6D15

monochromatic

#050F1A #0B213A #153F6D #1F5DA0 #297AD4

Accessibility & contrast

On white

10.69

#153F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#153F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153F6D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153F6D	#FFFFFF	#000000	##FFFFFF
##153F6D	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29426F

Deuteranopia (green-blind)

#1B3A6C

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #153f6d;
/* rgb */ color: rgb(21, 63, 109);
/* oklch */ color: oklch(36.4% 0.092 253.4);

Tailwind

colors: {
  custom: {
    50: '#617397',
    500: '#153f6d',
    950: '#000000',
  },
}

SCSS

$custom: #153f6d;
$custom-light: #617397;
$custom-dark: #000000;

JSON

{
  "hex": "#153f6d",
  "rgb": {
    "r": 21,
    "g": 63,
    "b": 109
  },
  "hsl": {
    "h": 211.364,
    "s": 67.692,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36449,
    "c": 0.09191,
    "h": 253.4
  },
  "luminance": 0.04819
}

Semantic roles & 50–950 ramp

primary

#153F6D

secondary

#A3713A

accent

#983DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #153F6D

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

Preview Lab → · Contrast checker → · Palette generator →