#1F555F#1F555F

#1F555F is a dark, muted teal. Relative luminance 0.076; OKLCH L 41.8% C 0.058 H 211.8°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#1F555F
RGB	rgb(31, 85, 95)
HSL	hsl(189, 51%, 25%)
HSV	hsv(189, 67%, 37%)
CMYK	cmyk(67.4%, 10.5%, 0%, 62.7%)
CIE-LAB	lab(33.17, -14.19, -11.08)
CIE-LCH	lch(33.17, 18.00, 217.98°)
OKLab	oklab(41.83% -0.0495 -0.0307)
OKLCH	oklch(41.83% 0.058 211.8)
XYZ	xyz(5.8783, 7.6139, 11.9841)
Luminance	0.0761 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F555F #5F291F

analogous

#1F5F49 #1F555F #1F355F

triadic

#1F555F #5F1F55 #555F1F

tetradic

#1F555F #491F5F #5F291F #355F1F

square

#1F555F #491F5F #5F291F #355F1F

split-complementary

#1F555F #5F1F35 #5F491F

monochromatic

#081517 #102C31 #1F555F #2E7E8D #3DA8BB

Accessibility & contrast

On white

8.32

#1F555F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#1F555F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F555F

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F555F	#FFFFFF	#000000	##FFFFFF
##1F555F	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5260

Deuteranopia (green-blind)

#444B5F

Tritanopia (blue-blind)

#005958

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1f555f;
/* rgb */ color: rgb(31, 85, 95);
/* oklch */ color: oklch(41.8% 0.058 211.8);

Tailwind

colors: {
  custom: {
    50: '#63858c',
    500: '#1f555f',
    950: '#000000',
  },
}

SCSS

$custom: #1f555f;
$custom-light: #63858c;
$custom-dark: #000000;

JSON

{
  "hex": "#1f555f",
  "rgb": {
    "r": 31,
    "g": 85,
    "b": 95
  },
  "hsl": {
    "h": 189.375,
    "s": 50.794,
    "l": 24.706
  },
  "oklch": {
    "l": 0.4183,
    "c": 0.05827,
    "h": 211.8
  },
  "luminance": 0.07615
}

Semantic roles & 50–950 ramp

primary

#1F555F

secondary

#945246

accent

#644EDA

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #1F555F

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

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