#1C445D
Closest named color: Dark Grey Blue (#29465B). oklch(37% 0.062 239), rgb(28, 68, 93).
Aa
White text reads best on this color (10.32:1).
About this color
#1C445D is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.062 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.016 away. White text reads best on it, at 10.32:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.03:1 |
| White text | 10.32:1 |
Values
| HEX | #1C445D |
| RGB | rgb(28, 68, 93) |
| HSL | hsl(203, 54%, 24%) |
| OKLCH | oklch(37% 0.062 239) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1C445D | 10.32:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #1C445D | 2.03:1 | Fails | Lc 10.2 | Not readable |
| #1C445D text on white | 10.32:1 | AAA | Lc 93.8 | Preferred for body text |
| #1C445D text on black | 2.03:1 | Fails | Lc -8.8 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A6C5DC
oklch(80.8% 0.047 240.3)
-
Step 400
400
#74A7CA
oklch(70.6% 0.075 239.2)
-
Step 500
500
#4E91BD
oklch(63.1% 0.095 239.5)
-
Step 600
600
#2D7BA9
oklch(55.6% 0.103 238.7)
-
Step 700
700
#1F6791
oklch(49% 0.096 239.3)
-
Step 800
800
#1C5476
oklch(42.6% 0.08 239.6)
-
Step 900
900 (this color)
#1C445D
oklch(37% 0.062 239)
-
Step 950
950
#132938
oklch(27% 0.04 240.2)
#1C445D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #38445E | 0.034 |
| Deuteranopia (no green cones) | #303D5D | 0.030 |
| Tritanopia (no blue cones) | #004A4D | 0.042 |
| Achromatopsia (no color) | #404040 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C445D
#1C445D
oklch(37% 0.062 239)
- #58371C
#58371C
oklch(37% 0.062 58.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1C445D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.016
- Charcoal #264653 ΔE 0.022
- Dark Blue Grey #1F3B4D ΔE 0.035
- Midnight Green #073B4C ΔE 0.043
- Dark Teal #014D4E ΔE 0.047
- Prussian Blue #1D3557 ΔE 0.048
- Twilight Blue #0A437A ΔE 0.051
- Marine Blue #01386A ΔE 0.053
Use #1C445D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.