#153C61#153C61

#153C61 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.078 H 250.1°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#153C61
RGB	rgb(21, 60, 97)
HSL	hsl(209, 64%, 23%)
HSV	hsv(209, 78%, 38%)
CMYK	cmyk(78.4%, 38.1%, 0%, 62%)
CIE-LAB	lab(24.49, 0.56, -25.84)
CIE-LCH	lch(24.49, 25.85, 271.24°)
OKLab	oklab(34.87% -0.0266 -0.0735)
OKLCH	oklch(34.87% 0.078 250.1)
XYZ	xyz(4.0820, 4.2538, 11.9129)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#153C61 #613A15

analogous

#156160 #153C61 #151661

triadic

#153C61 #61153C #3C6115

tetradic

#153C61 #601561 #613A15 #166115

square

#153C61 #601561 #613A15 #166115

split-complementary

#153C61 #611516 #616015

monochromatic

#051019 #0A1D2F #153C61 #205B93 #2B7AC6

Accessibility & contrast

On white

11.35

#153C61 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#153C61 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #153C61

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##153C61	#FFFFFF	#000000	##FFFFFF
##153C61	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B3E63

Deuteranopia (green-blind)

#203760

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #153c61;
/* rgb */ color: rgb(21, 60, 97);
/* oklch */ color: oklch(34.9% 0.078 250.1);

Tailwind

colors: {
  custom: {
    50: '#5e718e',
    500: '#153c61',
    950: '#000000',
  },
}

SCSS

$custom: #153c61;
$custom-light: #5e718e;
$custom-dark: #000000;

JSON

{
  "hex": "#153c61",
  "rgb": {
    "r": 21,
    "g": 60,
    "b": 97
  },
  "hsl": {
    "h": 209.211,
    "s": 64.407,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34868,
    "c": 0.07815,
    "h": 250.1
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary

#153C61

secondary

#98683A

accent

#9240E7

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #153C61

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

Preview Lab → · Contrast checker → · Palette generator →