#1C336B#1C336B

#1C336B is a dark, moderate blue. Relative luminance 0.037; OKLCH L 33.7% C 0.102 H 264.7°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C336B
RGB	rgb(28, 51, 107)
HSL	hsl(223, 59%, 26%)
HSV	hsv(223, 74%, 42%)
CMYK	cmyk(73.8%, 52.3%, 0%, 58%)
CIE-LAB	lab(22.57, 12.13, -35.37)
CIE-LCH	lch(22.57, 37.40, 288.93°)
OKLab	oklab(33.67% -0.0094 -0.1015)
OKLCH	oklch(33.67% 0.102 264.7)
XYZ	xyz(4.3156, 3.6756, 14.3891)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C336B #6B541C

analogous

#1C5B6B #1C336B #2D1C6B

triadic

#1C336B #6B1C33 #336B1C

tetradic

#1C336B #6B1C5B #6B541C #1C6B2D

square

#1C336B #6B1C5B #6B541C #1C6B2D

split-complementary

#1C336B #6B2D1C #5B6B1C

monochromatic

#060C18 #0F1C3A #1C336B #294A9C #3762CB

Accessibility & contrast

On white

12.10

#1C336B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#1C336B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C336B

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C336B	#FFFFFF	#000000	##FFFFFF
##1C336B	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#133A6D

Deuteranopia (green-blind)

#00326A

Tritanopia (blue-blind)

#00404A

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1c336b;
/* rgb */ color: rgb(28, 51, 107);
/* oklch */ color: oklch(33.7% 0.102 264.7);

Tailwind

colors: {
  custom: {
    50: '#636a96',
    500: '#1c336b',
    950: '#000000',
  },
}

SCSS

$custom: #1c336b;
$custom-light: #636a96;
$custom-dark: #000000;

JSON

{
  "hex": "#1c336b",
  "rgb": {
    "r": 28,
    "g": 51,
    "b": 107
  },
  "hsl": {
    "h": 222.532,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.33674,
    "c": 0.10198,
    "h": 264.7
  },
  "luminance": 0.03676
}

Semantic roles & 50–950 ramp

primary

#1C336B

secondary

#A08543

accent

#B446E2

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060D

muted

#7A7A7E

Preview Lab

Preview with #1C336B

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

Preview Lab → · Contrast checker → · Palette generator →