#1B757D#1B757D

#1B757D is a mid, moderate teal. Relative luminance 0.144; OKLCH L 51.6% C 0.080 H 204.0°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#1B757D
RGB	rgb(27, 117, 125)
HSL	hsl(185, 64%, 30%)
HSV	hsv(185, 78%, 49%)
CMYK	cmyk(78.4%, 6.4%, 0%, 51%)
CIE-LAB	lab(44.85, -22.27, -11.78)
CIE-LCH	lch(44.85, 25.20, 207.88°)
OKLab	oklab(51.6% -0.0735 -0.0327)
OKLCH	oklch(51.6% 0.08 204)
XYZ	xyz(10.5133, 14.4350, 21.6302)
Luminance	0.1444 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B757D #7D231B

analogous

#1B7D54 #1B757D #1B447D

triadic

#1B757D #7D1B75 #757D1B

tetradic

#1B757D #541B7D #7D231B #447D1B

square

#1B757D #541B7D #7D231B #447D1B

split-complementary

#1B757D #7D1B44 #7D541B

monochromatic

#051819 #10464B #1B757D #26A4AF #3DC9D5

Accessibility & contrast

On white

5.40

#1B757D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#1B757D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B757D

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B757D	#FFFFFF	#000000	##FFFFFF
##1B757D	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B707E

Deuteranopia (green-blind)

#5D667D

Tritanopia (blue-blind)

#007A77

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #1b757d;
/* rgb */ color: rgb(27, 117, 125);
/* oklch */ color: oklch(51.6% 0.080 204.0);

Tailwind

colors: {
  custom: {
    50: '#6a9da2',
    500: '#1b757d',
    950: '#000000',
  },
}

SCSS

$custom: #1b757d;
$custom-light: #6a9da2;
$custom-dark: #000000;

JSON

{
  "hex": "#1b757d",
  "rgb": {
    "r": 27,
    "g": 117,
    "b": 125
  },
  "hsl": {
    "h": 184.898,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.51603,
    "c": 0.08048,
    "h": 204
  },
  "luminance": 0.14436
}

Semantic roles & 50–950 ramp

primary

#1B757D

secondary

#B14C43

accent

#4E40E7

background

#F6F9F9

surface

#ECF2F2

border

#C7CCCC

text

#070E0F

muted

#7A7E7E

Preview Lab

Preview with #1B757D

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

Preview Lab → · Contrast checker → · Palette generator →