#1A455B#1A455B

#1A455B is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 37.1% C 0.060 H 234.1°. Best body text is #FFFFFF at 10.26:1 contrast (WCAG AA passes).

Color values

HEX	#1A455B
RGB	rgb(26, 69, 91)
HSL	hsl(200, 56%, 23%)
HSV	hsv(200, 71%, 36%)
CMYK	cmyk(71.4%, 24.2%, 0%, 64.3%)
CIE-LAB	lab(27.38, -6.89, -17.41)
CIE-LCH	lch(27.38, 18.73, 248.40°)
OKLab	oklab(37.1% -0.0354 -0.0488)
OKLCH	oklch(37.1% 0.06 234.1)
XYZ	xyz(4.4417, 5.2307, 10.6710)
Luminance	0.0523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A455B #5B301A

analogous

#1A5B50 #1A455B #1A245B

triadic

#1A455B #5B1A45 #455B1A

tetradic

#1A455B #501A5B #5B301A #245B1A

square

#1A455B #501A5B #5B301A #245B1A

split-complementary

#1A455B #5B1A24 #5B501A

monochromatic

#071218 #0C212B #1A455B #28698B #358DBA

Accessibility & contrast

On white

10.26

#1A455B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#1A455B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A455B

10.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A455B	#FFFFFF	#000000	##FFFFFF
##1A455B	1.00	10.26	2.05	10.26
#FFFFFF	10.26	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445C

Deuteranopia (green-blind)

#313E5B

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #1a455b;
/* rgb */ color: rgb(26, 69, 91);
/* oklch */ color: oklch(37.1% 0.060 234.1);

Tailwind

colors: {
  custom: {
    50: '#5f7889',
    500: '#1a455b',
    950: '#000000',
  },
}

SCSS

$custom: #1a455b;
$custom-light: #5f7889;
$custom-dark: #000000;

JSON

{
  "hex": "#1a455b",
  "rgb": {
    "r": 26,
    "g": 69,
    "b": 91
  },
  "hsl": {
    "h": 200.308,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.37096,
    "c": 0.06034,
    "h": 234.1
  },
  "luminance": 0.05231
}

Semantic roles & 50–950 ramp

primary

#1A455B

secondary

#915B40

accent

#7C49DF

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #1A455B

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

Preview Lab → · Contrast checker → · Palette generator →