#1C437C#1C437C

#1C437C is a dark, moderate blue. Relative luminance 0.057; OKLCH L 38.8% C 0.106 H 258.1°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#1C437C
RGB	rgb(28, 67, 124)
HSL	hsl(216, 63%, 30%)
HSV	hsv(216, 77%, 49%)
CMYK	cmyk(77.4%, 46%, 0%, 51.4%)
CIE-LAB	lab(28.68, 7.83, -36.36)
CIE-LCH	lch(28.68, 37.19, 282.16°)
OKLab	oklab(38.75% -0.0218 -0.1041)
OKLCH	oklch(38.75% 0.106 258.1)
XYZ	xyz(6.1228, 5.7157, 19.8454)
Luminance	0.0572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C437C #7C551C

analogous

#1C737C #1C437C #251C7C

triadic

#1C437C #7C1C43 #437C1C

tetradic

#1C437C #7C1C73 #7C551C #1C7C25

square

#1C437C #7C1C73 #7C551C #1C7C25

split-complementary

#1C437C #7C251C #737C1C

monochromatic

#060D19 #11284A #1C437C #275EAE #3F7BD4

Accessibility & contrast

On white

9.80

#1C437C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#1C437C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C437C

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C437C	#FFFFFF	#000000	##FFFFFF
##1C437C	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26487E

Deuteranopia (green-blind)

#13407B

Tritanopia (blue-blind)

#005059

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c437c;
/* rgb */ color: rgb(28, 67, 124);
/* oklch */ color: oklch(38.8% 0.106 258.1);

Tailwind

colors: {
  custom: {
    50: '#6776a2',
    500: '#1c437c',
    950: '#000000',
  },
}

SCSS

$custom: #1c437c;
$custom-light: #6776a2;
$custom-dark: #000000;

JSON

{
  "hex": "#1c437c",
  "rgb": {
    "r": 28,
    "g": 67,
    "b": 124
  },
  "hsl": {
    "h": 215.625,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.3875,
    "c": 0.10639,
    "h": 258.1
  },
  "luminance": 0.05716
}

Semantic roles & 50–950 ramp

primary

#1C437C

secondary

#B08444

accent

#A342E6

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C437C

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

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