#1D324E
Closest named color: Prussian Blue (#1D3557). oklch(31.4% 0.057 256), rgb(29, 50, 78).
Aa
White text reads best on this color (12.97:1).
About this color
#1D324E is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.057 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.017 away. White text reads best on it, at 12.97:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #1D324E |
| RGB | rgb(29, 50, 78) |
| HSL | hsl(214, 46%, 21%) |
| OKLCH | oklch(31.4% 0.057 256) |
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 #1D324E | 12.97:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #1D324E | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #1D324E text on white | 12.97:1 | AAA | Lc 99.1 | Preferred for body text |
| #1D324E text on black | 1.61:1 | Fails | Lc 0.0 | 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 950.
-
Step 50
50
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#C9DBF2
oklch(88.5% 0.037 254.6)
-
Step 300
300
#A4C3ED
oklch(80.9% 0.069 256.1)
-
Step 400
400
#73A3E4
oklch(70.8% 0.109 256.2)
-
Step 500
500
#4D8ADC
oklch(63.1% 0.14 256.4)
-
Step 600
600
#2E73C9
oklch(55.7% 0.15 255.8)
-
Step 700
700
#2060AE
oklch(49.2% 0.14 255.7)
-
Step 800
800
#1D4E8D
oklch(42.6% 0.117 256.3)
-
Step 900
900
#1E4271
oklch(37.8% 0.091 256.1)
-
Step 950
950 (this color)
#1D324E
oklch(31.4% 0.057 256)
#1D324E 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) | #27344F | 0.016 |
| Deuteranopia (no green cones) | #202F4D | 0.010 |
| Tritanopia (no blue cones) | #00383C | 0.050 |
| Achromatopsia (no color) | #313131 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D324E
#1D324E
oklch(31.4% 0.057 256)
- #422D0A
#422D0A
oklch(31.5% 0.057 76.1)
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 #1D324E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.017
- Gunmetal #293241 ΔE 0.028
- Space Cadet #2B2D42 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.031
- Midnight Green #073B4C ΔE 0.034
- Marine #042E60 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.048
- Marine Blue #01386A ΔE 0.051
Use #1D324E 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.