#19334E
Closest named color: Prussian Blue (#1D3557). oklch(31.4% 0.058 251), rgb(25, 51, 78).
Aa
White text reads best on this color (12.92:1).
About this color
#19334E is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.058 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.018 away. White text reads best on it, at 12.92:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.62:1 |
| White text | 12.92:1 |
Values
| HEX | #19334E |
| RGB | rgb(25, 51, 78) |
| HSL | hsl(211, 51%, 20%) |
| OKLCH | oklch(31.4% 0.058 251) |
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 #19334E | 12.92:1 | AAA | Lc -102.3 | Preferred for body text |
| Black text on #19334E | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #19334E text on white | 12.92:1 | AAA | Lc 99.0 | Preferred for body text |
| #19334E text on black | 1.62:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF7
oklch(93.5% 0.02 250.4)
-
Step 200
200
#C7DCF2
oklch(88.6% 0.038 249.5)
-
Step 300
300
#A0C4EC
oklch(80.8% 0.069 251.4)
-
Step 400
400
#6AA5E3
oklch(70.7% 0.11 250.8)
-
Step 500
500
#3E8DDB
oklch(63.1% 0.141 250.8)
-
Step 600
600
#1375C9
oklch(55.5% 0.154 251.1)
-
Step 700
700
#0062AE
oklch(49.1% 0.143 251.1)
-
Step 800
800
#0A508D
oklch(42.6% 0.119 251.3)
-
Step 900
900
#144370
oklch(37.6% 0.092 251)
-
Step 950
950 (this color)
#19334E
oklch(31.4% 0.058 251)
#19334E 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 | 0.019 |
| Deuteranopia (no green cones) | #202F4D | 0.014 |
| Tritanopia (no blue cones) | #00393D | 0.046 |
| Achromatopsia (no color) | #313131 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #19334E
#19334E
oklch(31.4% 0.058 251)
- #442C0A
#442C0A
oklch(31.5% 0.059 71.5)
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 #19334E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.018
- Dark Blue Grey #1F3B4D ΔE 0.029
- Midnight Green #073B4C ΔE 0.029
- Gunmetal #293241 ΔE 0.030
- Space Cadet #2B2D42 ΔE 0.032
- Marine #042E60 ΔE 0.042
- Oxford Blue #1B263B ΔE 0.049
- Marine Blue #01386A ΔE 0.050
Use #19334E 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.