#1B4F6D#1B4F6D

#1B4F6D is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.074 H 238.0°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B4F6D
RGB	rgb(27, 79, 109)
HSL	hsl(202, 60%, 27%)
HSV	hsv(202, 75%, 43%)
CMYK	cmyk(75.2%, 27.5%, 0%, 57.3%)
CIE-LAB	lab(31.64, -6.19, -22.25)
CIE-LCH	lch(31.64, 23.10, 254.45°)
OKLab	oklab(40.78% -0.0392 -0.0627)
OKLCH	oklch(40.78% 0.074 238)
XYZ	xyz(6.0072, 6.9284, 15.4858)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4F6D #6D391B

analogous

#1B6D62 #1B4F6D #1B266D

triadic

#1B4F6D #6D1B4F #4F6D1B

tetradic

#1B4F6D #621B6D #6D391B #266D1B

square

#1B4F6D #621B6D #6D391B #266D1B

split-complementary

#1B4F6D #6D1B26 #6D621B

monochromatic

#061219 #0F2B3C #1B4F6D #27739E #3596CD

Accessibility & contrast

On white

8.80

#1B4F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1B4F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4F6D

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4F6D	#FFFFFF	#000000	##FFFFFF
##1B4F6D	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414F6E

Deuteranopia (green-blind)

#36476C

Tritanopia (blue-blind)

#005759

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1b4f6d;
/* rgb */ color: rgb(27, 79, 109);
/* oklch */ color: oklch(40.8% 0.074 238.0);

Tailwind

colors: {
  custom: {
    50: '#638097',
    500: '#1b4f6d',
    950: '#000000',
  },
}

SCSS

$custom: #1b4f6d;
$custom-light: #638097;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4f6d",
  "rgb": {
    "r": 27,
    "g": 79,
    "b": 109
  },
  "hsl": {
    "h": 201.951,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.40781,
    "c": 0.07399,
    "h": 238
  },
  "luminance": 0.06929
}

Semantic roles & 50–950 ramp

primary

#1B4F6D

secondary

#A26542

accent

#7F44E3

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #1B4F6D

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

Preview Lab → · Contrast checker → · Palette generator →