#1A385F
Closest named color: Prussian Blue (#1D3557). oklch(33.9% 0.078 255.9), rgb(26, 56, 95).
Aa
White text reads best on this color (11.83:1).
About this color
#1A385F is a dark, moderately saturated blue. In OKLCH its lightness is 34%, its chroma 0.078 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.015 away. White text reads best on it, at 11.83:1.
| Hue family | Blues |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.77:1 |
| White text | 11.83:1 |
Values
| HEX | #1A385F |
| RGB | rgb(26, 56, 95) |
| HSL | hsl(214, 57%, 24%) |
| OKLCH | oklch(33.9% 0.078 255.9) |
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 #1A385F | 11.83:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #1A385F | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #1A385F text on white | 11.83:1 | AAA | Lc 96.9 | Preferred for body text |
| #1A385F text on black | 1.77:1 | 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 900.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEF
oklch(88.6% 0.032 255.6)
-
Step 300
300
#A8C3E7
oklch(80.9% 0.059 255.7)
-
Step 400
400
#7AA3DA
oklch(70.7% 0.093 256)
-
Step 500
500
#578BD0
oklch(63.1% 0.119 256)
-
Step 600
600
#3B74BD
oklch(55.6% 0.129 255.7)
-
Step 700
700
#2D61A3
oklch(49.1% 0.12 255.7)
-
Step 800
800
#264F84
oklch(42.6% 0.1 255.8)
-
Step 900
900 (this color)
#1A385F
oklch(33.9% 0.078 255.9)
-
Step 950
950
#16273E
oklch(27% 0.049 256.3)
#1A385F 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) | #263B61 | 0.018 |
| Deuteranopia (no green cones) | #1C345E | 0.012 |
| Tritanopia (no blue cones) | #004147 | 0.061 |
| Achromatopsia (no color) | #373737 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A385F
#1A385F
oklch(33.9% 0.078 255.9)
- #4C3200
#4C3200
oklch(33.9% 0.071 77.1)
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 #1A385F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.015
- Marine Blue #01386A ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.036
- Marine #042E60 ΔE 0.039
- Midnight Green #073B4C ΔE 0.041
- Twilight Blue #0A437A ΔE 0.052
- Dark Grey Blue #29465B ΔE 0.053
- Gunmetal #293241 ΔE 0.054
Use #1A385F 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.