#154B5E#154B5E

#154B5E is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 38.7% C 0.063 H 225.8°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#154B5E
RGB	rgb(21, 75, 94)
HSL	hsl(196, 63%, 23%)
HSV	hsv(196, 78%, 37%)
CMYK	cmyk(77.7%, 20.2%, 0%, 63.1%)
CIE-LAB	lab(29.41, -10.35, -16.22)
CIE-LCH	lch(29.41, 19.24, 237.47°)
OKLab	oklab(38.72% -0.0442 -0.0454)
OKLCH	oklch(38.72% 0.063 225.8)
XYZ	xyz(4.8449, 5.9992, 11.4901)
Luminance	0.0600 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#154B5E #5E2815

analogous

#155E4C #154B5E #15275E

triadic

#154B5E #5E154B #4B5E15

tetradic

#154B5E #4C155E #5E2815 #275E15

square

#154B5E #4C155E #5E2815 #275E15

split-complementary

#154B5E #5E1527 #5E4C15

monochromatic

#061419 #0A232C #154B5E #207390 #2B9BC2

Accessibility & contrast

On white

9.55

#154B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#154B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #154B5E

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##154B5E	#FFFFFF	#000000	##FFFFFF
##154B5E	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41495F

Deuteranopia (green-blind)

#37425E

Tritanopia (blue-blind)

#005151

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #154b5e;
/* rgb */ color: rgb(21, 75, 94);
/* oklch */ color: oklch(38.7% 0.063 225.8);

Tailwind

colors: {
  custom: {
    50: '#5e7d8b',
    500: '#154b5e',
    950: '#000000',
  },
}

SCSS

$custom: #154b5e;
$custom-light: #5e7d8b;
$custom-dark: #000000;

JSON

{
  "hex": "#154b5e",
  "rgb": {
    "r": 21,
    "g": 75,
    "b": 94
  },
  "hsl": {
    "h": 195.616,
    "s": 63.478,
    "l": 22.549
  },
  "oklch": {
    "l": 0.38716,
    "c": 0.06341,
    "h": 225.8
  },
  "luminance": 0.06
}

Semantic roles & 50–950 ramp

primary

#154B5E

secondary

#955139

accent

#6C41E7

background

#F5F7F8

surface

#EAEEF0

border

#C6C9CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #154B5E

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

Preview Lab → · Contrast checker → · Palette generator →