#1C457D#1C457D

#1C457D is a dark, moderate cyan. Relative luminance 0.060; OKLCH L 39.3% C 0.105 H 257.1°. Best body text is #FFFFFF at 9.56:1 contrast (WCAG AA passes).

Color values

HEX#1C457D
RGBrgb(28, 69, 125)
HSLhsl(215, 63%, 30%)
HSVhsv(215, 78%, 49%)
CMYKcmyk(77.6%, 44.8%, 0%, 51%)
CIE-LABlab(29.37, 6.87, -35.88)
CIE-LCHlch(29.37, 36.53, 280.84°)
OKLaboklab(39.3% -0.0235 -0.1027)
OKLCHoklch(39.3% 0.105 257.1)
XYZxyz(6.3073, 5.9831, 20.2205)
Luminance0.0598 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1C457D #7D541C
analogous
#1C767D #1C457D #231C7D
triadic
#1C457D #7D1C45 #457D1C
tetradic
#1C457D #7D1C76 #7D541C #1C7D23
square
#1C457D #7D1C76 #7D541C #1C7D23
split-complementary
#1C457D #7D231C #767D1C
monochromatic
#060E19 #11294B #1C457D #2761AF #3F7ED4

Accessibility & contrast

On white

9.56
#1C457D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.20
#1C457D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C457D
9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1C457D#FFFFFF#000000##FFFFFF
##1C457D1.009.562.209.56
#FFFFFF9.561.0021.001.00
#0000002.2021.001.0021.00
##FFFFFF9.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#294A7F
Deuteranopia (green-blind)
#17417C
Tritanopia (blue-blind)
#00525B
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #1c457d;
/* rgb */ color: rgb(28, 69, 125);
/* oklch */ color: oklch(39.3% 0.105 257.1);
Tailwind
colors: {
  custom: {
    50: '#6778a3',
    500: '#1c457d',
    950: '#000000',
  },
}
SCSS
$custom: #1c457d;
$custom-light: #6778a3;
$custom-dark: #000000;
JSON
{
  "hex": "#1c457d",
  "rgb": {
    "r": 28,
    "g": 69,
    "b": 125
  },
  "hsl": {
    "h": 214.639,
    "s": 63.399,
    "l": 30
  },
  "oklch": {
    "l": 0.39302,
    "c": 0.10535,
    "h": 257.1
  },
  "luminance": 0.05984
}

Semantic roles & 50–950 ramp

primary
#1C457D
secondary
#B18344
accent
#A141E6
background
#F6F7FA
surface
#EBEDF4
border
#C6C8CE
text
#07080F
muted
#7A7B7F

Preview Lab

Preview with #1C457D

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

Preview Lab → · Contrast checker → · Palette generator →

#1C457D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva