#1F616B#1F616B

#1F616B is a mid, moderate teal. Relative luminance 0.099; OKLCH L 45.6% C 0.067 H 209.3°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#1F616B
RGB	rgb(31, 97, 107)
HSL	hsl(188, 55%, 27%)
HSV	hsv(188, 71%, 42%)
CMYK	cmyk(71%, 9.3%, 0%, 58%)
CIE-LAB	lab(37.66, -16.93, -11.73)
CIE-LCH	lch(37.66, 20.59, 214.72°)
OKLab	oklab(45.61% -0.058 -0.0326)
OKLCH	oklch(45.61% 0.067 209.3)
XYZ	xyz(7.4925, 9.9014, 15.4234)
Luminance	0.0990 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F616B #6B291F

analogous

#1F6B4F #1F616B #1F3B6B

triadic

#1F616B #6B1F61 #616B1F

tetradic

#1F616B #4F1F6B #6B291F #3B6B1F

square

#1F616B #4F1F6B #6B291F #3B6B1F

split-complementary

#1F616B #6B1F3B #6B4F1F

monochromatic

#071618 #11363C #1F616B #2D8C9A #3DB5C7

Accessibility & contrast

On white

7.05

#1F616B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#1F616B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F616B

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F616B	#FFFFFF	#000000	##FFFFFF
##1F616B	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585D6C

Deuteranopia (green-blind)

#4D556B

Tritanopia (blue-blind)

#006664

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #1f616b;
/* rgb */ color: rgb(31, 97, 107);
/* oklch */ color: oklch(45.6% 0.067 209.3);

Tailwind

colors: {
  custom: {
    50: '#668e95',
    500: '#1f616b',
    950: '#000000',
  },
}

SCSS

$custom: #1f616b;
$custom-light: #668e95;
$custom-dark: #000000;

JSON

{
  "hex": "#1f616b",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 107
  },
  "hsl": {
    "h": 187.895,
    "s": 55.072,
    "l": 27.059
  },
  "oklch": {
    "l": 0.45605,
    "c": 0.06653,
    "h": 209.3
  },
  "luminance": 0.09902
}

Semantic roles & 50–950 ramp

primary

#1F616B

secondary

#9F5247

accent

#5D49DE

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #1F616B

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

Preview Lab → · Contrast checker → · Palette generator →