#154B81#154B81

#154B81 is a dark, moderate cyan. Relative luminance 0.068; OKLCH L 40.8% C 0.106 H 252.2°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#154B81
RGB	rgb(21, 75, 129)
HSL	hsl(210, 72%, 29%)
HSV	hsv(210, 84%, 51%)
CMYK	cmyk(83.7%, 41.9%, 0%, 49.4%)
CIE-LAB	lab(31.29, 3.59, -35.31)
CIE-LCH	lch(31.29, 35.50, 275.80°)
OKLab	oklab(40.82% -0.0324 -0.101)
OKLCH	oklch(40.82% 0.106 252.2)
XYZ	xyz(6.7863, 6.7757, 21.7148)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B81 #814B15

analogous

#158181 #154B81 #151581

triadic

#154B81 #81154B #4B8115

tetradic

#154B81 #811581 #814B15 #158115

square

#154B81 #811581 #814B15 #158115

split-complementary

#154B81 #811515 #818115

monochromatic

#040F1A #0C2C4C #154B81 #1E6AB6 #3388DE

Accessibility & contrast

On white

8.92

#154B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#154B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B81

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B81	#FFFFFF	#000000	##FFFFFF
##154B81	1.00	8.92	2.36	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314F83

Deuteranopia (green-blind)

#1E4580

Tritanopia (blue-blind)

#00585F

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #154b81;
/* rgb */ color: rgb(21, 75, 129);
/* oklch */ color: oklch(40.8% 0.106 252.2);

Tailwind

colors: {
  custom: {
    50: '#667ca6',
    500: '#154b81',
    950: '#000000',
  },
}

SCSS

$custom: #154b81;
$custom-light: #667ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#154b81",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 129
  },
  "hsl": {
    "h": 210,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.40818,
    "c": 0.10606,
    "h": 252.2
  },
  "luminance": 0.06777
}

Semantic roles & 50–950 ramp

primary

#154B81

secondary

#B6793C

accent

#9439EF

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #154B81

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

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