#1B548E#1B548E

#1B548E is a dark, moderate cyan. Relative luminance 0.085; OKLCH L 44.1% C 0.112 H 252.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#1B548E
RGB	rgb(27, 84, 142)
HSL	hsl(210, 68%, 33%)
HSV	hsv(210, 81%, 56%)
CMYK	cmyk(81%, 40.8%, 0%, 44.3%)
CIE-LAB	lab(35.05, 3.56, -37.29)
CIE-LCH	lch(35.05, 37.46, 275.45°)
OKLab	oklab(44.06% -0.0341 -0.1065)
OKLCH	oklch(44.06% 0.112 252.3)
XYZ	xyz(8.5030, 8.5256, 26.7834)
Luminance	0.0853 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B548E #8E551B

analogous

#1B8D8E #1B548E #1C1B8E

triadic

#1B548E #8E1B54 #548E1B

tetradic

#1B548E #8E1B8D #8E551B #1B8E1C

square

#1B548E #8E1B8D #8E551B #1B8E1C

split-complementary

#1B548E #8E1C1B #8D8E1B

monochromatic

#071727 #11365B #1B548E #2572C1 #4791DC

Accessibility & contrast

On white

7.76

#1B548E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#1B548E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B548E

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B548E	#FFFFFF	#000000	##FFFFFF
##1B548E	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#385890

Deuteranopia (green-blind)

#254E8D

Tritanopia (blue-blind)

#00626A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1b548e;
/* rgb */ color: rgb(27, 84, 142);
/* oklch */ color: oklch(44.1% 0.112 252.3);

Tailwind

colors: {
  custom: {
    50: '#6a83af',
    500: '#1b548e',
    950: '#000000',
  },
}

SCSS

$custom: #1b548e;
$custom-light: #6a83af;
$custom-dark: #000000;

JSON

{
  "hex": "#1b548e",
  "rgb": {
    "r": 27,
    "g": 84,
    "b": 142
  },
  "hsl": {
    "h": 210.261,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.44058,
    "c": 0.11185,
    "h": 252.3
  },
  "luminance": 0.08527
}

Semantic roles & 50–950 ramp

primary

#1B548E

secondary

#BE8347

accent

#953DEB

background

#F6F8FA

surface

#ECEFF4

border

#C7CACE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1B548E

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

Preview Lab → · Contrast checker → · Palette generator →