#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 |
|---|---|
| RGB | rgb(28, 69, 125) |
| HSL | hsl(215, 63%, 30%) |
| HSV | hsv(215, 78%, 49%) |
| CMYK | cmyk(77.6%, 44.8%, 0%, 51%) |
| CIE-LAB | lab(29.37, 6.87, -35.88) |
| CIE-LCH | lch(29.37, 36.53, 280.84°) |
| OKLab | oklab(39.3% -0.0235 -0.1027) |
| OKLCH | oklch(39.3% 0.105 257.1) |
| XYZ | xyz(6.3073, 5.9831, 20.2205) |
| Luminance | 0.0598 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Twilight Blue
#0A437A
ΔE00 1.72
Darkish Blue
#014182
ΔE00 1.87
Cobalt (survey)
#1E488F
ΔE00 2.57
Prussian Blue
#004577
ΔE00 3.16
Light Navy
#155084
ΔE00 4.50
Marine Blue
#01386A
ΔE00 4.58
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 |
|---|---|---|---|---|
| ##1C457D | 1.00 | 9.56 | 2.20 | 9.56 |
| #FFFFFF | 9.56 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.20 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.56 | 1.00 | 21.00 | 1.00 |
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