#1F615B#1F615B

#1F615B is a dark, moderate teal. Relative luminance 0.096; OKLCH L 45.0% C 0.066 H 186.6°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F615B
RGB	rgb(31, 97, 91)
HSL	hsl(175, 52%, 25%)
HSV	hsv(175, 68%, 38%)
CMYK	cmyk(68%, 0%, 6.2%, 62%)
CIE-LAB	lab(37.11, -22.08, -2.68)
CIE-LCH	lch(37.11, 22.24, 186.93°)
OKLab	oklab(44.97% -0.0657 -0.0076)
OKLCH	oklch(44.97% 0.066 186.6)
XYZ	xyz(6.7272, 9.5953, 11.3930)
Luminance	0.0960 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F615B #611F25

analogous

#1F613A #1F615B #1F4661

triadic

#1F615B #5B1F61 #615B1F

tetradic

#1F615B #3A1F61 #611F25 #46611F

square

#1F615B #3A1F61 #611F25 #46611F

split-complementary

#1F615B #611F46 #613A1F

monochromatic

#071716 #10332F #1F615B #2E8F87 #3DBEB2

Accessibility & contrast

On white

7.19

#1F615B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#1F615B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F615B

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F615B	#FFFFFF	#000000	##FFFFFF
##1F615B	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5C5B

Deuteranopia (green-blind)

#52545C

Tritanopia (blue-blind)

#00635F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #1f615b;
/* rgb */ color: rgb(31, 97, 91);
/* oklch */ color: oklch(45.0% 0.066 186.6);

Tailwind

colors: {
  custom: {
    50: '#648e89',
    500: '#1f615b',
    950: '#000000',
  },
}

SCSS

$custom: #1f615b;
$custom-light: #648e89;
$custom-dark: #000000;

JSON

{
  "hex": "#1f615b",
  "rgb": {
    "r": 31,
    "g": 97,
    "b": 91
  },
  "hsl": {
    "h": 174.545,
    "s": 51.563,
    "l": 25.098
  },
  "oklch": {
    "l": 0.44968,
    "c": 0.06618,
    "h": 186.6
  },
  "luminance": 0.09596
}

Semantic roles & 50–950 ramp

primary

#1F615B

secondary

#96464D

accent

#4D5ADB

background

#F6F8F8

surface

#EBF0F0

border

#C6CBCB

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #1F615B

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

Preview Lab → · Contrast checker → · Palette generator →