#1A5183#1A5183

#1A5183 is a dark, moderate cyan. Relative luminance 0.077; OKLCH L 42.6% C 0.101 H 249.8°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#1A5183
RGB	rgb(26, 81, 131)
HSL	hsl(209, 67%, 31%)
HSV	hsv(209, 80%, 51%)
CMYK	cmyk(80.2%, 38.2%, 0%, 48.6%)
CIE-LAB	lab(33.44, 1.01, -33.12)
CIE-LCH	lch(33.44, 33.14, 271.74°)
OKLab	oklab(42.58% -0.0347 -0.0944)
OKLCH	oklch(42.58% 0.101 249.8)
XYZ	xyz(7.4636, 7.7423, 22.5694)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A5183 #834C1A

analogous

#1A8380 #1A5183 #1A1D83

triadic

#1A5183 #831A51 #51831A

tetradic

#1A5183 #801A83 #834C1A #1D831A

square

#1A5183 #801A83 #834C1A #1D831A

split-complementary

#1A5183 #831A1D #83801A

monochromatic

#06121D #103150 #1A5183 #2471B6 #3F8FD9

Accessibility & contrast

On white

8.24

#1A5183 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#1A5183 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A5183

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A5183	#FFFFFF	#000000	##FFFFFF
##1A5183	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5485

Deuteranopia (green-blind)

#2A4A82

Tritanopia (blue-blind)

#005D63

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1a5183;
/* rgb */ color: rgb(26, 81, 131);
/* oklch */ color: oklch(42.6% 0.101 249.8);

Tailwind

colors: {
  custom: {
    50: '#6881a7',
    500: '#1a5183',
    950: '#000000',
  },
}

SCSS

$custom: #1a5183;
$custom-light: #6881a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1a5183",
  "rgb": {
    "r": 26,
    "g": 81,
    "b": 131
  },
  "hsl": {
    "h": 208.571,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.42577,
    "c": 0.10058,
    "h": 249.8
  },
  "luminance": 0.07743
}

Semantic roles & 50–950 ramp

primary

#1A5183

secondary

#B77A42

accent

#903EEA

background

#F6F7FA

surface

#EBEEF4

border

#C6C9CE

text

#070A0F

muted

#7A7C7F

Preview Lab

Preview with #1A5183

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

Preview Lab → · Contrast checker → · Palette generator →