#1C457F#1C457F

#1C457F is a dark, moderate blue. Relative luminance 0.060; OKLCH L 39.4% C 0.108 H 257.7°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#1C457F
RGB	rgb(28, 69, 127)
HSL	hsl(215, 64%, 30%)
HSV	hsv(215, 78%, 50%)
CMYK	cmyk(78%, 45.7%, 0%, 50.2%)
CIE-LAB	lab(29.50, 7.68, -36.92)
CIE-LCH	lch(29.50, 37.71, 281.75°)
OKLab	oklab(39.45% -0.0231 -0.1057)
OKLCH	oklch(39.45% 0.108 257.7)
XYZ	xyz(6.4364, 6.0347, 20.9002)
Luminance	0.0604 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C457F #7F561C

analogous

#1C767F #1C457F #251C7F

triadic

#1C457F #7F1C45 #457F1C

tetradic

#1C457F #7F1C76 #7F561C #1C7F25

square

#1C457F #7F1C76 #7F561C #1C7F25

split-complementary

#1C457F #7F251C #767F1C

monochromatic

#060F1B #112A4D #1C457F #2760B1 #407ED5

Accessibility & contrast

On white

9.52

#1C457F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1C457F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C457F

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C457F	#FFFFFF	#000000	##FFFFFF
##1C457F	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284A81

Deuteranopia (green-blind)

#14417E

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #1c457f;
/* rgb */ color: rgb(28, 69, 127);
/* oklch */ color: oklch(39.4% 0.108 257.7);

Tailwind

colors: {
  custom: {
    50: '#6778a4',
    500: '#1c457f',
    950: '#000000',
  },
}

SCSS

$custom: #1c457f;
$custom-light: #6778a4;
$custom-dark: #000000;

JSON

{
  "hex": "#1c457f",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 127
  },
  "hsl": {
    "h": 215.152,
    "s": 63.871,
    "l": 30.392
  },
  "oklch": {
    "l": 0.39445,
    "c": 0.10825,
    "h": 257.7
  },
  "luminance": 0.06035
}

Semantic roles & 50–950 ramp

primary

#1C457F

secondary

#B38544

accent

#A241E7

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07080F

muted

#7A7B7F

Preview Lab

Preview with #1C457F

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

Preview Lab → · Contrast checker → · Palette generator →