#1B4A67#1B4A67

#1B4A67 is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.1% C 0.070 H 239.4°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#1B4A67
RGB	rgb(27, 74, 103)
HSL	hsl(203, 58%, 25%)
HSV	hsv(203, 74%, 40%)
CMYK	cmyk(73.8%, 28.2%, 0%, 59.6%)
CIE-LAB	lab(29.69, -5.33, -21.51)
CIE-LCH	lch(29.69, 22.16, 256.09°)
OKLab	oklab(39.13% -0.0359 -0.0606)
OKLCH	oklch(39.13% 0.07 239.4)
XYZ	xyz(5.3480, 6.1093, 13.7267)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B4A67 #67381B

analogous

#1B675E #1B4A67 #1B2467

triadic

#1B4A67 #671B4A #4A671B

tetradic

#1B4A67 #5E1B67 #67381B #24671B

square

#1B4A67 #5E1B67 #67381B #24671B

split-complementary

#1B4A67 #671B24 #675E1B

monochromatic

#061118 #0E2737 #1B4A67 #286D97 #3490C8

Accessibility & contrast

On white

9.45

#1B4A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#1B4A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B4A67

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B4A67	#FFFFFF	#000000	##FFFFFF
##1B4A67	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4A68

Deuteranopia (green-blind)

#324366

Tritanopia (blue-blind)

#005154

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1b4a67;
/* rgb */ color: rgb(27, 74, 103);
/* oklch */ color: oklch(39.1% 0.070 239.4);

Tailwind

colors: {
  custom: {
    50: '#627c92',
    500: '#1b4a67',
    950: '#000000',
  },
}

SCSS

$custom: #1b4a67;
$custom-light: #627c92;
$custom-dark: #000000;

JSON

{
  "hex": "#1b4a67",
  "rgb": {
    "r": 27,
    "g": 74,
    "b": 103
  },
  "hsl": {
    "h": 202.895,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.3913,
    "c": 0.07047,
    "h": 239.4
  },
  "luminance": 0.0611
}

Semantic roles & 50–950 ramp

primary

#1B4A67

secondary

#9C6442

accent

#8146E2

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#06090D

muted

#7A7B7E

Preview Lab

Preview with #1B4A67

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

Preview Lab → · Contrast checker → · Palette generator →