#1B5274#1B5274

#1B5274 is a dark, moderate cyan. Relative luminance 0.075; OKLCH L 42.0% C 0.080 H 240.1°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#1B5274
RGB	rgb(27, 82, 116)
HSL	hsl(203, 62%, 28%)
HSV	hsv(203, 77%, 45%)
CMYK	cmyk(76.7%, 29.3%, 0%, 54.5%)
CIE-LAB	lab(32.98, -5.39, -24.55)
CIE-LCH	lch(32.98, 25.13, 257.61°)
OKLab	oklab(41.96% -0.0399 -0.0693)
OKLCH	oklch(41.96% 0.08 240.1)
XYZ	xyz(6.6204, 7.5278, 17.6237)
Luminance	0.0753 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B5274 #743D1B

analogous

#1B7469 #1B5274 #1B2674

triadic

#1B5274 #741B52 #52741B

tetradic

#1B5274 #691B74 #743D1B #26741B

square

#1B5274 #691B74 #743D1B #26741B

split-complementary

#1B5274 #741B26 #74691B

monochromatic

#061219 #0F2F42 #1B5274 #2775A6 #3997D1

Accessibility & contrast

On white

8.38

#1B5274 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#1B5274 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5274

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B5274	#FFFFFF	#000000	##FFFFFF
##1B5274	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#425276

Deuteranopia (green-blind)

#364A73

Tritanopia (blue-blind)

#005B5E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1b5274;
/* rgb */ color: rgb(27, 82, 116);
/* oklch */ color: oklch(42.0% 0.080 240.1);

Tailwind

colors: {
  custom: {
    50: '#65829c',
    500: '#1b5274',
    950: '#000000',
  },
}

SCSS

$custom: #1b5274;
$custom-light: #65829c;
$custom-dark: #000000;

JSON

{
  "hex": "#1b5274",
  "rgb": {
    "r": 27,
    "g": 82,
    "b": 116
  },
  "hsl": {
    "h": 202.921,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41956,
    "c": 0.08003,
    "h": 240.1
  },
  "luminance": 0.07529
}

Semantic roles & 50–950 ramp

primary

#1B5274

secondary

#A96942

accent

#8142E5

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #1B5274

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

Preview Lab → · Contrast checker → · Palette generator →