#1F4F76#1F4F76

#1F4F76 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.4% C 0.083 H 246.3°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F4F76
RGB	rgb(31, 79, 118)
HSL	hsl(207, 58%, 29%)
HSV	hsv(207, 74%, 46%)
CMYK	cmyk(73.7%, 33.1%, 0%, 53.7%)
CIE-LAB	lab(32.24, -2.10, -26.95)
CIE-LCH	lch(32.24, 27.03, 265.55°)
OKLab	oklab(41.44% -0.0335 -0.0763)
OKLCH	oklch(41.44% 0.083 246.3)
XYZ	xyz(6.6298, 7.1905, 18.1745)
Luminance	0.0719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4F76 #76461F

analogous

#1F7672 #1F4F76 #1F2376

triadic

#1F4F76 #761F4F #4F761F

tetradic

#1F4F76 #721F76 #76461F #23761F

square

#1F4F76 #721F76 #76461F #23761F

split-complementary

#1F4F76 #761F23 #76721F

monochromatic

#061018 #122F46 #1F4F76 #2C6FA6 #428FCD

Accessibility & contrast

On white

8.61

#1F4F76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1F4F76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4F76

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4F76	#FFFFFF	#000000	##FFFFFF
##1F4F76	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D5078

Deuteranopia (green-blind)

#314875

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1f4f76;
/* rgb */ color: rgb(31, 79, 118);
/* oklch */ color: oklch(41.4% 0.083 246.3);

Tailwind

colors: {
  custom: {
    50: '#67809d',
    500: '#1f4f76',
    950: '#000000',
  },
}

SCSS

$custom: #1f4f76;
$custom-light: #67809d;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4f76",
  "rgb": {
    "r": 31,
    "g": 79,
    "b": 118
  },
  "hsl": {
    "h": 206.897,
    "s": 58.389,
    "l": 29.216
  },
  "oklch": {
    "l": 0.41439,
    "c": 0.08337,
    "h": 246.3
  },
  "luminance": 0.07191
}

Semantic roles & 50–950 ramp

primary

#1F4F76

secondary

#AA7347

accent

#8C46E2

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1F4F76

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

Preview Lab → · Contrast checker → · Palette generator →