#153B6E#153B6E

#153B6E is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.098 H 256.9°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#153B6E
RGB	rgb(21, 59, 110)
HSL	hsl(214, 68%, 26%)
HSV	hsv(214, 81%, 43%)
CMYK	cmyk(80.9%, 46.4%, 0%, 56.9%)
CIE-LAB	lab(24.99, 6.66, -33.42)
CIE-LCH	lch(24.99, 34.08, 281.27°)
OKLab	oklab(35.52% -0.0222 -0.0958)
OKLCH	oklch(35.52% 0.098 256.9)
XYZ	xyz(4.6867, 4.4126, 15.3535)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153B6E #6E4815

analogous

#15676E #153B6E #1B156E

triadic

#153B6E #6E153B #3B6E15

tetradic

#153B6E #6E1567 #6E4815 #156E1B

square

#153B6E #6E1567 #6E4815 #156E1B

split-complementary

#153B6E #6E1B15 #676E15

monochromatic

#050E1A #0B1F3B #153B6E #1F57A1 #2972D5

Accessibility & contrast

On white

11.15

#153B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#153B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153B6E

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153B6E	#FFFFFF	#000000	##FFFFFF
##153B6E	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#214070

Deuteranopia (green-blind)

#0F386D

Tritanopia (blue-blind)

#00474F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #153b6e;
/* rgb */ color: rgb(21, 59, 110);
/* oklch */ color: oklch(35.5% 0.098 256.9);

Tailwind

colors: {
  custom: {
    50: '#617098',
    500: '#153b6e',
    950: '#000000',
  },
}

SCSS

$custom: #153b6e;
$custom-light: #617098;
$custom-dark: #000000;

JSON

{
  "hex": "#153b6e",
  "rgb": {
    "r": 21,
    "g": 59,
    "b": 110
  },
  "hsl": {
    "h": 214.382,
    "s": 67.939,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35523,
    "c": 0.09831,
    "h": 256.9
  },
  "luminance": 0.04413
}

Semantic roles & 50–950 ramp

primary

#153B6E

secondary

#A4773A

accent

#A13DEB

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070D

muted

#7A7A7E

Preview Lab

Preview with #153B6E

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

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