#1A404F#1A404F

#1A404F is a dark, muted cyan. Relative luminance 0.045; OKLCH L 35.1% C 0.050 H 226.8°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#1A404F
RGB	rgb(26, 64, 79)
HSL	hsl(197, 50%, 21%)
HSV	hsv(197, 67%, 31%)
CMYK	cmyk(67.1%, 19%, 0%, 69%)
CIE-LAB	lab(25.11, -8.19, -13.10)
CIE-LCH	lch(25.11, 15.45, 237.98°)
OKLab	oklab(35.1% -0.0343 -0.0365)
OKLCH	oklch(35.1% 0.05 226.8)
XYZ	xyz(3.6701, 4.4506, 8.0612)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A404F #4F291A

analogous

#1A4F43 #1A404F #1A254F

triadic

#1A404F #4F1A40 #404F1A

tetradic

#1A404F #431A4F #4F291A #254F1A

square

#1A404F #431A4F #4F291A #254F1A

split-complementary

#1A404F #4F1A25 #4F431A

monochromatic

#081317 #0B1B21 #1A404F #29657D #388BAB

Accessibility & contrast

On white

11.11

#1A404F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#1A404F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A404F

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A404F	#FFFFFF	#000000	##FFFFFF
##1A404F	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383F50

Deuteranopia (green-blind)

#30394F

Tritanopia (blue-blind)

#004445

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1a404f;
/* rgb */ color: rgb(26, 64, 79);
/* oklch */ color: oklch(35.1% 0.050 226.8);

Tailwind

colors: {
  custom: {
    50: '#5d7480',
    500: '#1a404f',
    950: '#000000',
  },
}

SCSS

$custom: #1a404f;
$custom-light: #5d7480;
$custom-dark: #000000;

JSON

{
  "hex": "#1a404f",
  "rgb": {
    "r": 26,
    "g": 64,
    "b": 79
  },
  "hsl": {
    "h": 196.981,
    "s": 50.476,
    "l": 20.588
  },
  "oklch": {
    "l": 0.35101,
    "c": 0.05014,
    "h": 226.8
  },
  "luminance": 0.04451
}

Semantic roles & 50–950 ramp

primary

#1A404F

secondary

#855340

accent

#754EDA

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #1A404F

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

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