#1A355B#1A355B

#1A355B is a dark, moderate blue. Relative luminance 0.035; OKLCH L 32.9% C 0.075 H 257.3°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX	#1A355B
RGB	rgb(26, 53, 91)
HSL	hsl(215, 56%, 23%)
HSV	hsv(215, 71%, 36%)
CMYK	cmyk(71.4%, 41.8%, 0%, 64.3%)
CIE-LAB	lab(22.02, 3.83, -25.83)
CIE-LCH	lch(22.02, 26.11, 278.44°)
OKLab	oklab(32.87% -0.0166 -0.0735)
OKLCH	oklch(32.87% 0.075 257.3)
XYZ	xyz(3.5868, 3.5208, 10.3861)
Luminance	0.0352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A355B #5B401A

analogous

#1A555B #1A355B #1F1A5B

triadic

#1A355B #5B1A35 #355B1A

tetradic

#1A355B #5B1A55 #5B401A #1A5B1F

square

#1A355B #5B1A55 #5B401A #1A5B1F

split-complementary

#1A355B #5B1F1A #555B1A

monochromatic

#070E18 #0C192B #1A355B #28518B #356CBA

Accessibility & contrast

On white

12.32

#1A355B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1A355B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A355B

12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A355B	#FFFFFF	#000000	##FFFFFF
##1A355B	1.00	12.32	1.70	12.32
#FFFFFF	12.32	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#24385D

Deuteranopia (green-blind)

#1A325A

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a355b;
/* rgb */ color: rgb(26, 53, 91);
/* oklch */ color: oklch(32.9% 0.075 257.3);

Tailwind

colors: {
  custom: {
    50: '#5f6b89',
    500: '#1a355b',
    950: '#000000',
  },
}

SCSS

$custom: #1a355b;
$custom-light: #5f6b89;
$custom-dark: #000000;

JSON

{
  "hex": "#1a355b",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 91
  },
  "hsl": {
    "h": 215.077,
    "s": 55.556,
    "l": 22.941
  },
  "oklch": {
    "l": 0.32874,
    "c": 0.07536,
    "h": 257.3
  },
  "luminance": 0.03521
}

Semantic roles & 50–950 ramp

primary

#1A355B

secondary

#916F40

accent

#A149DF

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060B

muted

#797A7C

Preview Lab

Preview with #1A355B

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

Preview Lab → · Contrast checker → · Palette generator →