#1C447D#1C447D

#1C447D is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.1% C 0.107 H 257.8°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#1C447D
RGB	rgb(28, 68, 125)
HSL	hsl(215, 63%, 30%)
HSV	hsv(215, 78%, 49%)
CMYK	cmyk(77.6%, 45.6%, 0%, 51%)
CIE-LAB	lab(29.06, 7.55, -36.38)
CIE-LCH	lch(29.06, 37.15, 281.73°)
OKLab	oklab(39.06% -0.0226 -0.1042)
OKLCH	oklch(39.06% 0.107 257.8)
XYZ	xyz(6.2463, 5.8611, 20.2002)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C447D #7D551C

analogous

#1C747D #1C447D #251C7D

triadic

#1C447D #7D1C44 #447D1C

tetradic

#1C447D #7D1C74 #7D551C #1C7D25

square

#1C447D #7D1C74 #7D551C #1C7D25

split-complementary

#1C447D #7D251C #747D1C

monochromatic

#060E19 #11294B #1C447D #275FAF #3F7DD4

Accessibility & contrast

On white

9.67

#1C447D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#1C447D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C447D

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C447D	#FFFFFF	#000000	##FFFFFF
##1C447D	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27497F

Deuteranopia (green-blind)

#15407C

Tritanopia (blue-blind)

#00515A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #1c447d;
/* rgb */ color: rgb(28, 68, 125);
/* oklch */ color: oklch(39.1% 0.107 257.8);

Tailwind

colors: {
  custom: {
    50: '#6777a3',
    500: '#1c447d',
    950: '#000000',
  },
}

SCSS

$custom: #1c447d;
$custom-light: #6777a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c447d",
  "rgb": {
    "r": 28,
    "g": 68,
    "b": 125
  },
  "hsl": {
    "h": 215.258,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.39062,
    "c": 0.10659,
    "h": 257.8
  },
  "luminance": 0.05862
}

Semantic roles & 50–950 ramp

primary

#1C447D

secondary

#B18444

accent

#A241E6

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C447D

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

Preview Lab → · Contrast checker → · Palette generator →