#154B7B#154B7B

#154B7B is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.4% C 0.098 H 249.7°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#154B7B
RGB	rgb(21, 75, 123)
HSL	hsl(208, 71%, 28%)
HSV	hsv(208, 83%, 48%)
CMYK	cmyk(82.9%, 39%, 0%, 51.8%)
CIE-LAB	lab(30.93, 1.13, -32.16)
CIE-LCH	lch(30.93, 32.18, 272.01°)
OKLab	oklab(40.42% -0.034 -0.0917)
OKLCH	oklch(40.42% 0.098 249.7)
XYZ	xyz(6.3991, 6.6209, 19.6757)
Luminance	0.0662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B7B #7B4515

analogous

#157B78 #154B7B #15187B

triadic

#154B7B #7B154B #4B7B15

tetradic

#154B7B #78157B #7B4515 #187B15

square

#154B7B #78157B #7B4515 #187B15

split-complementary

#154B7B #7B1518 #7B7815

monochromatic

#04101A #0C2B47 #154B7B #1E6BAF #2F8ADB

Accessibility & contrast

On white

9.03

#154B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#154B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B7B

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B7B	#FFFFFF	#000000	##FFFFFF
##154B7B	1.00	9.03	2.32	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#344E7D

Deuteranopia (green-blind)

#25457A

Tritanopia (blue-blind)

#00565D

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #154b7b;
/* rgb */ color: rgb(21, 75, 123);
/* oklch */ color: oklch(40.4% 0.098 249.7);

Tailwind

colors: {
  custom: {
    50: '#647ca1',
    500: '#154b7b',
    950: '#000000',
  },
}

SCSS

$custom: #154b7b;
$custom-light: #647ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#154b7b",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 123
  },
  "hsl": {
    "h": 208.235,
    "s": 70.833,
    "l": 28.235
  },
  "oklch": {
    "l": 0.40416,
    "c": 0.09784,
    "h": 249.7
  },
  "luminance": 0.06622
}

Semantic roles & 50–950 ramp

primary

#154B7B

secondary

#B0723B

accent

#8F3AEE

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#06090F

muted

#7A7B7E

Preview Lab

Preview with #154B7B

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

Preview Lab → · Contrast checker → · Palette generator →