#1A357C#1A357C

#1A357C is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.4% C 0.125 H 264.9°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1A357C
RGB	rgb(26, 53, 124)
HSL	hsl(223, 65%, 29%)
HSV	hsv(223, 79%, 49%)
CMYK	cmyk(79%, 57.3%, 0%, 51.4%)
CIE-LAB	lab(24.39, 17.37, -43.29)
CIE-LCH	lch(24.39, 46.64, 291.86°)
OKLab	oklab(35.45% -0.0112 -0.1248)
OKLCH	oklch(35.45% 0.125 264.9)
XYZ	xyz(5.3359, 4.2205, 19.5983)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A357C #7C611A

analogous

#1A667C #1A357C #301A7C

triadic

#1A357C #7C1A35 #357C1A

tetradic

#1A357C #7C1A66 #7C611A #1A7C30

square

#1A357C #7C1A66 #7C611A #1A7C30

split-complementary

#1A357C #7C301A #667C1A

monochromatic

#050B19 #0F1F49 #1A357C #254BAF #3B65D6

Accessibility & contrast

On white

11.39

#1A357C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1A357C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A357C

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A357C	#FFFFFF	#000000	##FFFFFF
##1A357C	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004653

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1a357c;
/* rgb */ color: rgb(26, 53, 124);
/* oklch */ color: oklch(35.4% 0.125 264.9);

Tailwind

colors: {
  custom: {
    50: '#676ba2',
    500: '#1a357c',
    950: '#000000',
  },
}

SCSS

$custom: #1a357c;
$custom-light: #676ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#1a357c",
  "rgb": {
    "r": 26,
    "g": 53,
    "b": 124
  },
  "hsl": {
    "h": 223.469,
    "s": 65.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.35445,
    "c": 0.12533,
    "h": 264.9
  },
  "luminance": 0.04221
}

Semantic roles & 50–950 ramp

primary

#1A357C

secondary

#B09242

accent

#BA40E8

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1A357C

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

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