#1B4E58#1B4E58

#1B4E58 is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.4% C 0.056 H 212.9°. Best body text is #FFFFFF at 9.22:1 contrast (WCAG AA passes).

Color values

HEX	#1B4E58
RGB	rgb(27, 78, 88)
HSL	hsl(190, 53%, 23%)
HSV	hsv(190, 69%, 35%)
CMYK	cmyk(69.3%, 11.4%, 0%, 65.5%)
CIE-LAB	lab(30.37, -13.29, -10.90)
CIE-LCH	lch(30.37, 17.19, 219.35°)
OKLab	oklab(39.45% -0.0469 -0.0303)
OKLCH	oklch(39.45% 0.056 212.9)
XYZ	xyz(4.9371, 6.3858, 10.2030)
Luminance	0.0639 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4E58 #58251B

analogous

#1B5843 #1B4E58 #1B3058

triadic

#1B4E58 #581B4E #4E581B

tetradic

#1B4E58 #431B58 #58251B #30581B

square

#1B4E58 #431B58 #58251B #30581B

split-complementary

#1B4E58 #581B30 #58431B

monochromatic

#071517 #0D2429 #1B4E58 #297887 #38A1B6

Accessibility & contrast

On white

9.22

#1B4E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.28

#1B4E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4E58

9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4E58	#FFFFFF	#000000	##FFFFFF
##1B4E58	1.00	9.22	2.28	9.22
#FFFFFF	9.22	1.00	21.00	1.00
#000000	2.28	21.00	1.00	21.00
##FFFFFF	9.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464B59

Deuteranopia (green-blind)

#3D4558

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1b4e58;
/* rgb */ color: rgb(27, 78, 88);
/* oklch */ color: oklch(39.4% 0.056 212.9);

Tailwind

colors: {
  custom: {
    50: '#607f87',
    500: '#1b4e58',
    950: '#000000',
  },
}

SCSS

$custom: #1b4e58;
$custom-light: #607f87;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4e58",
  "rgb": {
    "r": 27,
    "g": 78,
    "b": 88
  },
  "hsl": {
    "h": 189.836,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.39449,
    "c": 0.05581,
    "h": 212.9
  },
  "luminance": 0.06386
}

Semantic roles & 50–950 ramp

primary

#1B4E58

secondary

#8E4E41

accent

#634BDC

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0B

muted

#797C7C

Preview Lab

Preview with #1B4E58

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

Preview Lab → · Contrast checker → · Palette generator →